Παραπομπή APA

Punia, B. K. (2008). Tourism management problems and prospects/1e. APH.

Παραπομπή Chicago Style

Punia, Bijender K. Tourism Management Problems and Prospects/1e. New Delhi: APH, 2008.

Παραπομπή MLA

Punia, Bijender K. Tourism Management Problems and Prospects/1e. APH, 2008.