APA (7 ম সংস্করণ) উদ্ধৃতি

Zafrullah, H. M. (1981). Sri Lanka's hybrid presidential and parliamentary system & the separation of powers doctrine. University of Malaya Press.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Zafrullah, H. M. Sri Lanka's Hybrid Presidential and Parliamentary System & the Separation of Powers Doctrine. Kuala Lumpur: University of Malaya Press, 1981.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Zafrullah, H. M. Sri Lanka's Hybrid Presidential and Parliamentary System & the Separation of Powers Doctrine. University of Malaya Press, 1981.