Kaul, V. (1994). Tourism and the economy. har-Anand.
Chicago Style aipamenaKaul, Virendra. Tourism and the Economy. New Delhi: har-Anand, 1994.
MLA aipamenaKaul, Virendra. Tourism and the Economy. har-Anand, 1994.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.