Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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