Doganis, R. (1985). Flying off course: The economics of international airlines. Allen & Unwin.
Chicago Style aipamenaDoganis, Rigas. Flying off Course: The Economics of International Airlines. London: Allen & Unwin, 1985.
MLA aipamenaDoganis, Rigas. Flying off Course: The Economics of International Airlines. Allen & Unwin, 1985.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.