Παραπομπή σε μορφή APA (7η εκδ.)

Philippine Islands.Bureau of Education & Miller, H. H. (1977). Commercial geography: The materials of commerce for the Philippines [microform]. Photoduplication Service. University of the Philippines Library.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Philippine Islands.Bureau of Education και Hugo H. Miller. Commercial Geography: The Materials of Commerce for the Philippines [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.

Παραπομπή σε μορφή MLA (9th εκδ.)

Philippine Islands.Bureau of Education και Hugo H. Miller. Commercial Geography: The Materials of Commerce for the Philippines [microform]. Photoduplication Service. University of the Philippines Library, 1977.