APA استشهاد

Wood, A., & Roberts, S. M. (2011). Economic geography. Routledge.

استشهاد بنمط شيكاغو

Wood, Andrew, و Susan M. Roberts. Economic Geography. London New York: Routledge, 2011.

MLA استشهاد

Wood, Andrew, و Susan M. Roberts. Economic Geography. Routledge, 2011.