Gaya APA

Tjitrosoepomo, G. (2010). Taksonomi tumbuhan : spermatophyta . New Jersey: Gadjah Mada University Press.

Gaya MLA

Tjitrosoepomo, Gembong. "Taksonomi tumbuhan : spermatophyta". New Jersey: Gadjah Mada University Press, 2010. Text.