Philippines University. Science Education Center. (1971). Plants of the Philippines. University of the Philippines Diliman.
Citazione stile Chigago Style (17a edizione)Philippines University. Science Education Center. Plants of the Philippines. Quezon City: University of the Philippines Diliman, 1971.
Citatione MLA (9a ed.)Philippines University. Science Education Center. Plants of the Philippines. University of the Philippines Diliman, 1971.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.