APA-viite (7. p.)
Weisskopf, N., & Schlumberger, C. E. (2014). Ready for takeoff?: The potential for low-cost carriers in developing countries. World Bank Group.
Chicago-viite (17. p.)
Weisskopf, Nora, ja Charles E. Schlumberger. Ready for Takeoff?: The Potential for Low-cost Carriers in Developing Countries. Washington, District of Columbia: World Bank Group, 2014.
MLA-viite (9. p.)
Weisskopf, Nora, ja Charles E. Schlumberger. Ready for Takeoff?: The Potential for Low-cost Carriers in Developing Countries. World Bank Group, 2014.
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