IE Business Cases. Collision Course: ETS and the Global Airline Industry. [s.n.].
Chicago Style (17th ed.) CitationIE Business Cases. Collision Course: ETS and the Global Airline Industry. [S.l.]: [s.n.].
MLA (9th ed.) CitationIE Business Cases. Collision Course: ETS and the Global Airline Industry. [s.n.].
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.