Παραπομπή σε μορφή APA (7η εκδ.)

Yap, F. F. (1974). Density determination of organic solids by: Bouyancy-flotation method [microform]. Photoduplication Service. University of the Philippines Library.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Yap, Felicidad F. Density Determination of Organic Solids by: Bouyancy-flotation Method [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1974.

Παραπομπή σε μορφή MLA (9th εκδ.)

Yap, Felicidad F. Density Determination of Organic Solids by: Bouyancy-flotation Method [microform]. Photoduplication Service. University of the Philippines Library, 1974.