Doganis, R. (1989). Flying off course: The economics of international airlines (4. impr.). Unwin Hyman.
Chicago Style (17th ed.) CitationDoganis, Rigas. Flying off Course: The Economics of International Airlines. 4. impr. London <<[u.a.]>>: Unwin Hyman, 1989.
MLA (9th ed.) CitationDoganis, Rigas. Flying off Course: The Economics of International Airlines. 4. impr. Unwin Hyman, 1989.
Warning: These citations may not always be 100% accurate.