National Science Development Board. (1974). National Institute of Science and Technology: Plans and programs for foreign technical assistance [microform]. Photoduplication Service.
Chicago-referens (17:e uppl.)National Science Development Board. National Institute of Science and Technology: Plans and Programs for Foreign Technical Assistance [microform]. Quezon City: Photoduplication Service, 1974.
MLA-referens (9:e uppl.)National Science Development Board. National Institute of Science and Technology: Plans and Programs for Foreign Technical Assistance [microform]. Photoduplication Service, 1974.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.