Style de citation APA

Sunil Gupta, S. (1998). Tourism towards 21st century (1.). Deep & Deep.

Style de citation Chicago

Sunil Gupta, S.P. Tourism Towards 21st Century. 1. New Delhi: Deep & Deep, 1998.

Style de citation MLA

Sunil Gupta, S.P. Tourism Towards 21st Century. 1. Deep & Deep, 1998.

Attention : ces citations peuvent ne pas être correctes à 100%.