Palka, E. (2004). geographic perspectives: Afghanistan. New York: McGaw-Hill/Dushkin.
Trích dẫn kiểu ChicagoPalka, Eugene. Geographic Perspectives: Afghanistan. New York: McGaw-Hill/Dushkin, 2004.
MLA引文Palka, Eugene. Geographic Perspectives: Afghanistan. New York: McGaw-Hill/Dushkin, 2004.
警告:這些引文格式不一定是100%准確.