APA (7e ed.) Bronvermelding

Medalla, F. (1977). Mineral resources and economic growth: Selected indicators for the Philippines [microform]. Photoduplication Service, University of the Philippines Library.

Chicago (17e ed.) Bronvermelding

Medalla, Felipe. Mineral Resources and Economic Growth: Selected Indicators for the Philippines [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1977.

MLA (9e ed.) Bronvermelding

Medalla, Felipe. Mineral Resources and Economic Growth: Selected Indicators for the Philippines [microform]. Photoduplication Service, University of the Philippines Library, 1977.