John & Gribbin ,Mary. (1998). Mendel in 90 minutes. University Press.
Chicago Style aipamenaJohn and Gribbin ,Mary. Mendel in 90 Minutes. Hyderabad: University Press, 1998.
MLA aipamenaJohn and Gribbin ,Mary. Mendel in 90 Minutes. University Press, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.