APA (7e ed.) Bronvermelding
Pulsipher, L. M., Goodwin, C. M., & Pulsipher, A. (2015). World regional geography concepts (3rd ed.). W.H. Freeman and Company, A Macmillan Education Company.
Chicago (17e ed.) Bronvermelding
Pulsipher, Lydia M., Conrad M. Goodwin, en Alex Pulsipher. World Regional Geography Concepts. 3rd ed. New York: W.H. Freeman and Company, A Macmillan Education Company, 2015.
MLA (9e ed.) Bronvermelding
Pulsipher, Lydia M., et al. World Regional Geography Concepts. 3rd ed. W.H. Freeman and Company, A Macmillan Education Company, 2015.
Let op: Deze citaties zijn niet altijd 100% accuraat.