Obradovich, M. (1972). A climatic map of the Philippines. Department of Meteorology, University of the Philippines.
Citazione stile Chigago Style (17a edizione)Obradovich, M.M. A Climatic Map of the Philippines. Quezon City: Department of Meteorology, University of the Philippines, 1972.
Citatione MLA (9a ed.)Obradovich, M.M. A Climatic Map of the Philippines. Department of Meteorology, University of the Philippines, 1972.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.