APA (7th ed.) Zitazioa
ebrary, Inc, & Upham, P. (2003). Towards sustainable aviation. Earthscan Publications.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, eta Paul Upham. Towards Sustainable Aviation. London ; Sterling, VA: Earthscan Publications, 2003.
MLA (9th ed.) Zitazioa
ebrary, Inc, eta Paul Upham. Towards Sustainable Aviation. Earthscan Publications, 2003.
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