Tiemsakul, T. (1977). The alkaloids of the leaves of alstonia macrophylla wall (fam. apocynaceae) [microform]. Photoduplication Service. University of the Philippines Library.
Цитирование в стиле Чикаго (17-е изд.)Tiemsakul, Thanomsri. The Alkaloids of the Leaves of Alstonia Macrophylla Wall (fam. Apocynaceae) [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
Цитирование MLA (9-е изд.)Tiemsakul, Thanomsri. The Alkaloids of the Leaves of Alstonia Macrophylla Wall (fam. Apocynaceae) [microform]. Photoduplication Service. University of the Philippines Library, 1977.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.