References
- COLES, R. (1981) Cliff Carpenter Youth Fund Award Competition. World's Poultry Science Journal 37: 44
- JASPER, A.W. (1978) The World's Poultry Science Association. World's Poultry Science Journal 34: 9–21
- SHAKLEE, W.E. (1981) The United States of America Branch of the World's Poultry Science Association. World's Poultry Science Journal 37: 111–118.