References
- Agricultural Research Service. May 1960 . Raising Guinea Pigs May , Washington , D.C.
- Colin , Edward C. 1946 . Elements of Genetics , Philadelphia : The Blakiston Company .
- Chrystie , Frances N. 1964 . Pets , Boston : Little, Brown and Co. .
- Guthrie , Esther L. 1966 . Home Book of Animal Care , New York : Harper and Row .
- Keeling , C. H. 1971 . Guinea Pigs , New York : Arco .
- Silvan , James. 1966 . Raising Laboratory Animals , Garden City , N.Y. : The Natural History Press .