APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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