Vermysings
- AMLING , F. 1978 . Investments: An introduction to analysis and management New Jersey : Prentice Hall Inc. .
- BLUME , M E. 1971 . On the assessment of risk . Journal of Finance , 26 ( 1 ) : 1 – 10 .
- BURGER , W H. 1988 . Die problematiek van boere en kooperasie ten opsigte van insetverskaffing Pretoria : Referaat gelewer tydens die negende Landbouvooruitskattingskonferensie in die W.N.N.R.-konferensiesentrum .
- COLLINS , R A and BARRY , P J. 1986 . Risk analysis with single-index portfolio models: An application to farm planning . American Journal of Agricultural Economies , 68 ( 1 ) : 152 – 161 .
- FRANCIS , J C. 1986 . Investments analysis and managements, , Fouth Edition McGraw-Hill Book Company .
- GEMPESAW , C N II , TAMBE , A M , NAYGA , R M and TOENSMEYER , V C. 1986 . The single-index market model in agriculture . Northeastern Journal of Agricultural Economics , 17 ( 2 ) : 147 – 155 .
- HAGIN , R. 1979 . The Dow Jones-Irwin guide to Modern Portfolio Theory Homewood, Illinois : Dow Jones-Irwin .
- KOUTSOYIANNIS , A. 1977 . Theory of Econometrics, , Second edition Hong Kong : MacMillan Education Ltd .
- LAMBRECHTS , I J , REYNDERS , H JJ and SCHEURKOGEL , A E. 1986 . Die investeringsbesluit Pretoria : HAUM .
- PINDYCK , R S and RUBINFELD , D L. 1976 . Econometric models and economic forecasts, , Internasional student edition Tokyo : McGraw-Hill .
- SENTRALE STATISTIEKDIENS Statistiese nuusberig P1141. Pretoria.
- TURVEY , C G and DRIVER , H C. 1987 . Systematic and Nonsystematic risks in agriculture . Canadian Journal of Agricultural Economics , 35 : 387 – 401 .
- TURVEY , C G , DRIVER , H C and BAKER , T G. 1988 . Systematic and Non-systematic risk in farm portfolio selection . American Journal of Agricultural Economics , 70 ( 4 ) : 831 – 836 .
- WENIZEL , J JG. 1988 . Openingstoespraak gelewcr tydens die negende Landouvooruitskouingskonferensie in die W.N.N.R-konferensiesntrum Pretoria