Παραπομπή APA

Giriappa, S. (1986). Energy environment in agriculture. Ashish Publishing House.

Παραπομπή Chicago Style

Giriappa, S. Energy Environment in Agriculture. New Delhi: Ashish Publishing House, 1986.

Παραπομπή MLA

Giriappa, S. Energy Environment in Agriculture. Ashish Publishing House, 1986.