Gaya APA

(WRI), W, R, I. et al (1995). Strategi Keanekaragaman Hayati Global (Cet. 1.--). Jakarta: Gramedia Pustaka Utama.

Gaya MLA

(WRI), World, Resources, Institute. et al. "Strategi Keanekaragaman Hayati Global". Cet. 1.-- Jakarta: Gramedia Pustaka Utama, 1995. Text.