Παραπομπή σε μορφή APA (7η εκδ.)

Megino, R. P. (1977). An agricultural economic land classification of northwestern Laguna, 1962 [microform]. Photoduplication Service. University of the Philippines Library.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Megino, Rogelio Penalosa. An Agricultural Economic Land Classification of Northwestern Laguna, 1962 [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.

Παραπομπή σε μορφή MLA (9th εκδ.)

Megino, Rogelio Penalosa. An Agricultural Economic Land Classification of Northwestern Laguna, 1962 [microform]. Photoduplication Service. University of the Philippines Library, 1977.