De Padua, L. S., Lugod, G. C., & Pancho, J. V. (1987). Handbook on Philippine medicinal plants. Documentation and Information Section, Office of the Director of Research, University of the Philippines Los Banos.

De Padua, Ludivina S., Gregorio C. Lugod, and Juan V. Pancho. Handbook on Philippine Medicinal Plants. Los Banos, Laguna: Documentation and Information Section, Office of the Director of Research, University of the Philippines Los Banos, 1987.

De Padua, Ludivina S., et al. Handbook on Philippine Medicinal Plants. Documentation and Information Section, Office of the Director of Research, University of the Philippines Los Banos, 1987.