Παραπομπή APA

Sugatakumari. (1972). Pavam Manavahrdayam. Sahitya Pravarthaka Co-operative Society Ltd.

Παραπομπή Chicago Style

Sugatakumari. Pavam Manavahrdayam. Kottayam: Sahitya Pravarthaka Co-operative Society Ltd, 1972.

Παραπομπή MLA

Sugatakumari. Pavam Manavahrdayam. Sahitya Pravarthaka Co-operative Society Ltd, 1972.