APA ציטוט

Spurgeon, R. (2004). Sains & Percobaan Ekologi. Pakar Raya.

Chicago Style Citation

Spurgeon, Richard. Sains & Percobaan Ekologi. Pakar Raya, 2004.

ציטוט MLA

Spurgeon, Richard. Sains & Percobaan Ekologi. Pakar Raya, 2004.