Cita APA

Howell, D. W. (1987). Discovering destinations: A geography workbook for travel and tourism (2nd ed.). National Pub.

Citación estilo Chicago

Howell, David W. Discovering Destinations: A Geography Workbook for Travel and Tourism. 2nd ed. Elmsford, N.Y: National Pub, 1987.

Cita MLA

Howell, David W. Discovering Destinations: A Geography Workbook for Travel and Tourism. 2nd ed. National Pub, 1987.