एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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