APA (7e ed.) Bronvermelding

Singh, L. (2008). Trends in travel and tourism and laws. Isha Books.

Chicago (17e ed.) Bronvermelding

Singh, L.K. Trends in Travel and Tourism and Laws. Delhi: Isha Books, 2008.

MLA (9e ed.) Bronvermelding

Singh, L.K. Trends in Travel and Tourism and Laws. Isha Books, 2008.