Παραπομπή APA

Raina A.K & Agarwal S.K. (2004). The essence of tourism development/1e. Sarup.

Παραπομπή Chicago Style

Raina A.K και Agarwal S.K. The Essence of Tourism Development/1e. New Delhi: Sarup, 2004.

Παραπομπή MLA

Raina A.K και Agarwal S.K. The Essence of Tourism Development/1e. Sarup, 2004.