Aoyama, Y., Murphy, J. T., & Hanson, S. (2011). Key concepts in economic geography. SAGE.
Lua i Stíl Chicago (17ú heag.)Aoyama, Yuko, James T. Murphy, agus Susan Hanson. Key Concepts in Economic Geography. London: SAGE, 2011.
Lua MLA (9ú heag.)Aoyama, Yuko, et al. Key Concepts in Economic Geography. SAGE, 2011.
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