Gaya APA

Biology, B, R, C, F, T. ([s.a.]). Annual report July 1979-June 1980. . [s.l.]: [s.n.].

Gaya MLA

Biology, BIOTROP-Seameo, Regional, Center, For, Tropical. "Annual report July 1979-June 1980.". [s.l.]: [s.n.], [s.a.]. Buku.