APA
Negi J., . (1982). Tourism & Hoteliering. New Delhi: Gitanjali Publishing House.
Chicago
Negi JMS, . 1982. Tourism & Hoteliering. New Delhi: Gitanjali Publishing House.
Harvard
Negi J., . (1982). Tourism & Hoteliering. New Delhi: Gitanjali Publishing House.
MLA
Negi JMS, . Tourism & Hoteliering. New Delhi: Gitanjali Publishing House. 1982.