Παραπομπή σε μορφή APA (7η εκδ.)

Flaschka, M. (1998). The intelligent travel company: Enhancing organizational intelligence through management systems. Verlag Paul Haupt.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Flaschka, Michael. The Intelligent Travel Company: Enhancing Organizational Intelligence Through Management Systems. Bern: Verlag Paul Haupt, 1998.

Παραπομπή σε μορφή MLA (8th εκδ.)

Flaschka, Michael. The Intelligent Travel Company: Enhancing Organizational Intelligence Through Management Systems. Verlag Paul Haupt, 1998.