Παραπομπή APA

Shankara Pilla, G. (1978). Sapthami. Sahitya Pravarthaka Sahakarana Sangam.

Παραπομπή Chicago Style

Shankara Pilla, G. Sapthami. Kottayam: Sahitya Pravarthaka Sahakarana Sangam, 1978.

Παραπομπή MLA

Shankara Pilla, G. Sapthami. Sahitya Pravarthaka Sahakarana Sangam, 1978.