Παραπομπή APA

Negi, J. (2003). Grading and classification of hotels, tourism resorts and restaurants (2nd ed.). Kanishka Publishers.

Παραπομπή Chicago Style

Negi, Jagmohan. Grading and Classification of Hotels, Tourism Resorts and Restaurants. 2nd ed. New Delhi: Kanishka Publishers, 2003.

Παραπομπή MLA

Negi, Jagmohan. Grading and Classification of Hotels, Tourism Resorts and Restaurants. 2nd ed. Kanishka Publishers, 2003.