APA aipamena

Parameswaran Pilla, V. R. (1982). Puraavasthu Gaveshanam.

Chicago Style aipamena

Parameswaran Pilla, V. R. Puraavasthu Gaveshanam. Thiruvananthapuram, 1982.

MLA aipamena

Parameswaran Pilla, V. R. Puraavasthu Gaveshanam. 1982.