Gaya APA

YASUMA, S., ALIKODRA, H, S. (1990). Mammals of Bukit Soeharto protection forest . Samarinda: The Tropical Rain Forest Research Project.

Gaya MLA

YASUMA, Shigeki., ALIKODRA, Hadi, S.. "Mammals of Bukit Soeharto protection forest". Samarinda: The Tropical Rain Forest Research Project, 1990. Buku.