APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (9:e uppl.)

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