Pulsipher, L. M., Pulsipher, A., & Goodwin, C. M. (2012). World regional geography concepts (Second edition, [student edition].). W.H. Freeman and Company.
Chicago-Zitierstil (17. Ausg.)Pulsipher, Lydia Mihelič, Alex Pulsipher, und Conrad Mac Goodwin. World Regional Geography Concepts. Second edition, [student edition]. New York: W.H. Freeman and Company, 2012.
MLA-Zitierstil (9. Ausg.)Pulsipher, Lydia Mihelič, et al. World Regional Geography Concepts. Second edition, [student edition]. W.H. Freeman and Company, 2012.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.