APA Alıntı

Guell, R. C., & 1906-1998. (2011). Issues in economics today (6th ed.). Dubuque: McGraw-Hill.

Chicago Stili Alıntı

Guell, Robert C., ve 1906-1998. Issues in Economics Today. 6th ed. Dubuque: McGraw-Hill, 2011.

MLA Alıntı

Guell, Robert C., ve 1906-1998. Issues in Economics Today. 6th ed. Dubuque: McGraw-Hill, 2011.