Παραπομπή APA

Mattantarakan, P., & Ramanmenon, P. (1973). Visvadipam. Sahitya Pravarthaka Co-operative Society Ltd.

Παραπομπή Chicago Style

Mattantarakan, Puttankavu, και Puthezhatu Ramanmenon. Visvadipam. Kottayam: Sahitya Pravarthaka Co-operative Society Ltd, 1973.

Παραπομπή MLA

Mattantarakan, Puttankavu, και Puthezhatu Ramanmenon. Visvadipam. Sahitya Pravarthaka Co-operative Society Ltd, 1973.