APA (7 ম সংস্করণ) উদ্ধৃতি

Tiemsakul, T. (1977). The alkaloids of the leaves of alstonia macrophylla wall (fam. apocynaceae) [microform]. Photoduplication Service. University of the Philippines Library.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Tiemsakul, Thanomsri. The Alkaloids of the Leaves of Alstonia Macrophylla Wall (fam. Apocynaceae) [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Tiemsakul, Thanomsri. The Alkaloids of the Leaves of Alstonia Macrophylla Wall (fam. Apocynaceae) [microform]. Photoduplication Service. University of the Philippines Library, 1977.