Gaya APA

Giesen, W., Sukotjo, . (1991). Lake Kerinci & the Wetlands of Kerinci Seblat National Park Sumatra (Cet. 1.--). Bogor: AWB - Indonesia.

Gaya MLA

Giesen, Wim., Sukotjo, . "Lake Kerinci & the Wetlands of Kerinci Seblat National Park Sumatra". Cet. 1.-- Bogor: AWB - Indonesia, 1991. Text.