Παραπομπή APA

Velaudhan Pilla, P. V. (1968). Madyakala Malayalm (4th ed.).

Παραπομπή Chicago Style

Velaudhan Pilla, P. V. Madyakala Malayalm. 4th ed. 1968.

Παραπομπή MLA

Velaudhan Pilla, P. V. Madyakala Malayalm. 4th ed. 1968.