Citazione Stile APA (7a Edizione)

Bowen, J. (2010). The economic geography of air transportation: Space, time, and the freedom of the sky. Routledge.

Citazione stile Chigago Style (17a edizione)

Bowen, John. The Economic Geography of Air Transportation: Space, Time, and the Freedom of the Sky. London: Routledge, 2010.

Citatione MLA (9a ed.)

Bowen, John. The Economic Geography of Air Transportation: Space, Time, and the Freedom of the Sky. Routledge, 2010.