Merrill, E. D. (1928). A flora of Manila. Department of Botany. College of Liberal Arts. University of the Philippines.
Chicago-referens (17:e uppl.)Merrill, Elmer Drew. A Flora of Manila. Manila: Department of Botany. College of Liberal Arts. University of the Philippines, 1928.
MLA-referens (9:e uppl.)Merrill, Elmer Drew. A Flora of Manila. Department of Botany. College of Liberal Arts. University of the Philippines, 1928.
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