APA aipamena

Ponkunnam Varkey. (2003). Sabdikkunna kalappayum mattu pradhana kadhakalum. D C Books.

Chicago Style aipamena

Ponkunnam Varkey. Sabdikkunna Kalappayum Mattu Pradhana Kadhakalum. Kottayam: D C Books, 2003.

MLA aipamena

Ponkunnam Varkey. Sabdikkunna Kalappayum Mattu Pradhana Kadhakalum. D C Books, 2003.