Gaya APA

Aoyama, Y., Susan, I, M, J, T, I, H. (2011). Key concepts in economic geography . London: London: Sage, 2011.

Gaya MLA

Aoyama, Yuko., Susan, I., Murphy,, James, T, II., Hanson,. "Key concepts in economic geography". London: London: Sage, 2011, 2011. .