Cita APA (7a ed.)

IE Business Cases. Collision Course: ETS and the Global Airline Industry. [s.n.].

Cita Chicago Style (17a ed.)

IE Business Cases. Collision Course: ETS and the Global Airline Industry. [S.l.]: [s.n.].

Cita MLA (9a ed.)

IE Business Cases. Collision Course: ETS and the Global Airline Industry. [s.n.].