Παραπομπή APA

Chadha, S. K. (1989). Himalayan ecology. Ashish Publishing House.

Παραπομπή Chicago Style

Chadha, S. K. Himalayan Ecology. New Delhi: Ashish Publishing House, 1989.

Παραπομπή MLA

Chadha, S. K. Himalayan Ecology. Ashish Publishing House, 1989.