Tiemsakul, T. (1977). The alkaloids of the leaves of alstonia macrophylla wall (fam. apocynaceae) [microform]. Photoduplication Service. University of the Philippines Library.
Chicago Style (17th ed.) CitationTiemsakul, Thanomsri. The Alkaloids of the Leaves of Alstonia Macrophylla Wall (fam. Apocynaceae) [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
MLA (9th ed.) CitationTiemsakul, Thanomsri. The Alkaloids of the Leaves of Alstonia Macrophylla Wall (fam. Apocynaceae) [microform]. Photoduplication Service. University of the Philippines Library, 1977.
Warning: These citations may not always be 100% accurate.