APA (7e ed.) Bronvermelding

Duenas, F. P. (1973). Basic economic aspects of Philippine defense [microform]. Photoduplication Service University of the Philippines Library.

Chicago (17e ed.) Bronvermelding

Duenas, Felix P. Basic Economic Aspects of Philippine Defense [microform]. Quezon City: Photoduplication Service University of the Philippines Library, 1973.

MLA (9e ed.) Bronvermelding

Duenas, Felix P. Basic Economic Aspects of Philippine Defense [microform]. Photoduplication Service University of the Philippines Library, 1973.