Παραπομπή APA

Shiv Prasad Singh. (1990). Aadhunik parivesh aur navlekhan. Sanjay.

Παραπομπή Chicago Style

Shiv Prasad Singh. Aadhunik Parivesh Aur Navlekhan. Varanasi: Sanjay, 1990.

Παραπομπή MLA

Shiv Prasad Singh. Aadhunik Parivesh Aur Navlekhan. Sanjay, 1990.