APA (7e ed.) Bronvermelding

Philippine Islands. Bureau of Science, Scientific Library, Estrella Villanueva, L., & Perez, C. B. (1937). Bibliography on mines and mining in the Philippines. Bureau of Print.

Chicago (17e ed.) Bronvermelding

Philippine Islands. Bureau of Science, Scientific Library, Laureana Estrella Villanueva, en Cirilo B. Perez. Bibliography on Mines and Mining in the Philippines. Manila: Bureau of Print, 1937.

MLA (9e ed.) Bronvermelding

Philippine Islands. Bureau of Science, et al. Bibliography on Mines and Mining in the Philippines. Bureau of Print, 1937.