APA (7 ম সংস্করণ) উদ্ধৃতি

Easton, D. (1971). The political system: An inquiry into the state of political science. Scientific Book Agency.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Easton, David. The Political System: An Inquiry into the State of Political Science. Scientific Book Agency, 1971.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Easton, David. The Political System: An Inquiry into the State of Political Science. Scientific Book Agency, 1971.