APA (7th ed.) Citation

(1991). Krisis biologi: Hilangnya keanekaragaman biologi. Yayasan Obor Indonesia.

Chicago Style (17th ed.) Citation

Krisis Biologi: Hilangnya Keanekaragaman Biologi. Yayasan Obor Indonesia, 1991.

MLA (8th ed.) Citation

Krisis Biologi: Hilangnya Keanekaragaman Biologi. Yayasan Obor Indonesia, 1991.

Warning: These citations may not always be 100% accurate.