APA (7 ম সংস্করণ) উদ্ধৃতি

Casslén, B. (1981). Proteinases and proteinase inhibitors in uterine fluid: With special reference to IUD-users. Scandinavian Association of Obstetricians and Gynecologists.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Casslén, Bertil. Proteinases and Proteinase Inhibitors in Uterine Fluid: With Special Reference to IUD-users. Lund: Scandinavian Association of Obstetricians and Gynecologists, 1981.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Casslén, Bertil. Proteinases and Proteinase Inhibitors in Uterine Fluid: With Special Reference to IUD-users. Scandinavian Association of Obstetricians and Gynecologists, 1981.