APA aipamena

402256 Hudman, L. E., & Jackson, R. H. (1990). Geography of travel and tourism. Albany, NY : Delmar Pub.

Chicago Style aipamena

402256 Hudman, Lloyd E., and Richard H. Jackson. Geography of Travel and Tourism. Albany, NY : Delmar Pub, 1990.

MLA aipamena

402256 Hudman, Lloyd E., and Richard H. Jackson. Geography of Travel and Tourism. Albany, NY : Delmar Pub, 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.