APA (7 ম সংস্করণ) উদ্ধৃতি

Petavel , J. W. (1921). Non co- operation and the bread problem : the first lecture of a series delivers to Calcutta: Calcutta University. Calcutta univ. pr.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Petavel , J W. Non Co- Operation and the Bread Problem : The First Lecture of a Series Delivers to Calcutta: Calcutta University. Calcutta: Calcutta univ. pr, 1921.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Petavel , J W. Non Co- Operation and the Bread Problem : The First Lecture of a Series Delivers to Calcutta: Calcutta University. Calcutta univ. pr, 1921.