APA aipamena

Van Harssel, J. (1988). Tourism: An exploration (2nd ed.). National Pub. of the Black Hills.

Chicago Style aipamena

Van Harssel, Jan. Tourism: An Exploration. 2nd ed. Elmsford, N.Y: National Pub. of the Black Hills, 1988.

MLA aipamena

Van Harssel, Jan. Tourism: An Exploration. 2nd ed. National Pub. of the Black Hills, 1988.