APA aipamena

Sivasankarapillai,Thakazhi. (2005). Pennu. Poorna publications.

Chicago Style aipamena

Sivasankarapillai,Thakazhi. Pennu. Kozhikode: Poorna publications, 2005.

MLA aipamena

Sivasankarapillai,Thakazhi. Pennu. Poorna publications, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.