APA (7 ম সংস্করণ) উদ্ধৃতি

Watt, L. (1950). Pope Pius XI and social reconstruction. An introduction to the Encyclical Quadragesimo Anno. Oxford.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Watt, Lewis. Pope Pius XI and Social Reconstruction. An Introduction to the Encyclical Quadragesimo Anno. Oxford, 1950.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Watt, Lewis. Pope Pius XI and Social Reconstruction. An Introduction to the Encyclical Quadragesimo Anno. Oxford, 1950.