APA (7e ed.) Bronvermelding

Obradovich, M. (1972). A climatic map of the Philippines. Department of Meteorology, University of the Philippines.

Chicago (17e ed.) Bronvermelding

Obradovich, M.M. A Climatic Map of the Philippines. Quezon City: Department of Meteorology, University of the Philippines, 1972.

MLA (9e ed.) Bronvermelding

Obradovich, M.M. A Climatic Map of the Philippines. Department of Meteorology, University of the Philippines, 1972.