APA (7th ed.) Zitazioa
Budd, L., Griggs, S., & Howarth, D. (2013). Sustainable aviation futures (First edition.). Emerald Group Publishing Limited.
Chicago Style (17th ed.) Zitazioa
Budd, Lucy, Steven Griggs, eta David Howarth. Sustainable Aviation Futures. First edition. United Kingdom: Emerald Group Publishing Limited, 2013.
MLA (9th ed.) Zitazioa
Budd, Lucy, et al. Sustainable Aviation Futures. First edition. Emerald Group Publishing Limited, 2013.
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