Cita APA (7th ed.)

Howell, D. W. (1992). Discovering destinations: A geography workbook for travel and tourism (3rd ed.). Prentice Hall.

Cita Chicago (17th ed.)

Howell, David W. Discovering Destinations: A Geography Workbook for Travel and Tourism. 3rd ed. Englewood Cliffs, N.J: Prentice Hall, 1992.

Cita MLA (9th ed.)

Howell, David W. Discovering Destinations: A Geography Workbook for Travel and Tourism. 3rd ed. Prentice Hall, 1992.