APA aipamena

Sarkar, P. N. (1931). A textbook of civics. Book Co..

Chicago Style aipamena

Sarkar, P. N. A Textbook of Civics. Calcutta: Book Co., 1931.

MLA aipamena

Sarkar, P. N. A Textbook of Civics. Book Co., 1931.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.