De Padua, L., Lugod, G. C., & Pancho, J. V. (1983). Handbook on Philippine medicinal plants: Ludivina De Padua, Gregorio C. Lugod, Juan V. Pancho. Documentation and Informatipn Section, Office of the Director of Research, University of the Philippines.
Παραπομπή σε μορφή Chicago (17η εκδ.)De Padua, Ludivina, Gregorio C. Lugod, και Juan V. Pancho. Handbook on Philippine Medicinal Plants: Ludivina De Padua, Gregorio C. Lugod, Juan V. Pancho. Los Banos: Documentation and Informatipn Section, Office of the Director of Research, University of the Philippines, 1983.
Παραπομπή σε μορφή MLA (9th εκδ.)De Padua, Ludivina, et al. Handbook on Philippine Medicinal Plants: Ludivina De Padua, Gregorio C. Lugod, Juan V. Pancho. Documentation and Informatipn Section, Office of the Director of Research, University of the Philippines, 1983.