Bowen, J. (2010). The economic geography of air transportation: Space, time, and the freedom of the sky. Routledge.
Chicagoスタイル(17版)引用形式Bowen, John. The Economic Geography of Air Transportation: Space, Time, and the Freedom of the Sky. London: Routledge, 2010.
MLA(9版)引用形式Bowen, John. The Economic Geography of Air Transportation: Space, Time, and the Freedom of the Sky. Routledge, 2010.
警告: この引用は必ずしも正確ではありません.