Raina A.K & Agarwal S.K. (2004). The essence of tourism development/1e. Sarup.
Chicago Style aipamenaRaina A.K and Agarwal S.K. The Essence of Tourism Development/1e. New Delhi: Sarup, 2004.
MLA aipamenaRaina A.K and Agarwal S.K. The Essence of Tourism Development/1e. Sarup, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.