Παραπομπή APA

Patel, M. L. (1969). Agro-economic survey of tribal Mandala. People's publishing.

Παραπομπή Chicago Style

Patel, M L. Agro-economic Survey of Tribal Mandala. Delhi: People's publishing, 1969.

Παραπομπή MLA

Patel, M L. Agro-economic Survey of Tribal Mandala. People's publishing, 1969.