Kertwal, M. (2012). Advertising in leisure and tourism. Cyber Tech.
Chicago Style aipamenaKertwal, Mahadev. Advertising in Leisure and Tourism. New Delhi: Cyber Tech, 2012.
MLA aipamenaKertwal, Mahadev. Advertising in Leisure and Tourism. Cyber Tech, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.