Coba jelasin Daftar pustaka dari Oogami dong

Dunesbery, David B. Ecological Models Explaining the Success of Distinctive Sperm and Eggs (Oogamy). 13 December 2001. pdf. 3 June 2002.

Halvorson, H. O. & Monroy, A. (1985). The Origin and Evolution of Sex. New York: Alan R. Liss

“Diatom Reproduction.” Diatom Reproduction, DePaul University, condor.depaul.edu/diatom/sex2.html.