Παραπομπή APA

Arya, P. s. (2002). A Text book of vegetable culture. Kalyani.

Παραπομπή Chicago Style

Arya, Prem singh. A Text Book of Vegetable Culture. Ludhiana: Kalyani, 2002.

Παραπομπή MLA

Arya, Prem singh. A Text Book of Vegetable Culture. Kalyani, 2002.