Gillen, D. W., Oum, T. H., & Tretheway, M. W. (1985). Airline cost and performance: Implications for public and industry policies. Centre for Transportation Studies.
Chicago-Zitierstil (17. Ausg.)Gillen, David W., Tae Hoon Oum, und Michael W. Tretheway. Airline Cost and Performance: Implications for Public and Industry Policies. Vancouver: Centre for Transportation Studies, 1985.
MLA-Zitierstil (9. Ausg.)Gillen, David W., et al. Airline Cost and Performance: Implications for Public and Industry Policies. Centre for Transportation Studies, 1985.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.