APA aipamena

(2007). Singh, Avtar (15th ed.). Eastern Book Company.

Chicago Style aipamena

Singh, Avtar. 15th ed. Lucknow: Eastern Book Company, 2007.

MLA aipamena

Singh, Avtar. 15th ed. Eastern Book Company, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.