Gaya APA

Giesen, W., Bas, V, B. (1991). The Wetlands of Giam - Siak Kecil Wildlife Reserve [Riau - Sumatra]: Survey Report (Cet. 1.--). Bogor: AWB - Indonesia.

Gaya MLA

Giesen, Wim., Bas, Van, Balen,. "The Wetlands of Giam - Siak Kecil Wildlife Reserve [Riau - Sumatra]: Survey Report". Cet. 1.-- Bogor: AWB - Indonesia, 1991. Text.