Zapanta, C. D. C. (1974). A pharmacognostical study of the leaves of nerium oleander blaco [microform]. Photoduplication Service, University of the Philippines Library.
Chicago-referens (17:e uppl.)Zapanta, Celia De Castro. A Pharmacognostical Study of the Leaves of Nerium Oleander Blaco [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1974.
MLA-referens (9:e uppl.)Zapanta, Celia De Castro. A Pharmacognostical Study of the Leaves of Nerium Oleander Blaco [microform]. Photoduplication Service, University of the Philippines Library, 1974.
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