APA (7e ed.) Bronvermelding

Ng, H. G. (1980). Allelopathic effects of Chromolaena odorata (L.) [microform]. Photoduplication Service, University of the Philippines Library.

Chicago (17e ed.) Bronvermelding

Ng, Huang Gieh. Allelopathic Effects of Chromolaena Odorata (L.) [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1980.

MLA (9e ed.) Bronvermelding

Ng, Huang Gieh. Allelopathic Effects of Chromolaena Odorata (L.) [microform]. Photoduplication Service, University of the Philippines Library, 1980.