APA (7. basım) Alıntı
Johnson, D. L. (2015). World regional geography: A development approach (11th ed.). Pearson Education.
Chicago Style (17. basım) Atıf
Johnson, Douglas L. World Regional Geography: A Development Approach. 11th ed. Boston: Pearson Education, 2015.
MLA (9th ed.) Atıf
Johnson, Douglas L. World Regional Geography: A Development Approach. 11th ed. Pearson Education, 2015.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..