Παραπομπή APA

Negi, J. (2005). Tourist guide and tour operation: Planning and organising.

Παραπομπή Chicago Style

Negi, Jagmohan. Tourist Guide and Tour Operation: Planning and Organising. Kanishka Publishers Distributors: New Delhi, 2005.

Παραπομπή MLA

Negi, Jagmohan. Tourist Guide and Tour Operation: Planning and Organising. 2005.