APA (7e ed.) Bronvermelding

Orejana, F. M. (1977). Voacamine and vobtusine from voacanga megacarpa merrill [microform]. Photoduplication Service. University of the Philippines Library.

Chicago (17e ed.) Bronvermelding

Orejana, Florian Magno. Voacamine and Vobtusine from Voacanga Megacarpa Merrill [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.

MLA (9e ed.) Bronvermelding

Orejana, Florian Magno. Voacamine and Vobtusine from Voacanga Megacarpa Merrill [microform]. Photoduplication Service. University of the Philippines Library, 1977.