Snustad, D. Peter, & Simmons, M. J. /. J. (1997). Study Guide and Problems Workbook to Accompany Principles of Genetics. John Wiley & Sons.
Chicago-viite (17. p.)Snustad, D. Peter, ja Michael J. / Jenkins Simmons. Study Guide and Problems Workbook to Accompany Principles of Genetics. New York: John Wiley & Sons, 1997.
MLA-viite (9. p.)Snustad, et al. Study Guide and Problems Workbook to Accompany Principles of Genetics. John Wiley & Sons, 1997.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.