APA (7e ed.) Bronvermelding
Budd, L., Griggs, S., & Howarth, D. (2013). Sustainable aviation futures (First edition.). Emerald Group Publishing Limited.
Chicago (17e ed.) Bronvermelding
Budd, Lucy, Steven Griggs, en David Howarth. Sustainable Aviation Futures. First edition. United Kingdom: Emerald Group Publishing Limited, 2013.
MLA (9e ed.) Bronvermelding
Budd, Lucy, et al. Sustainable Aviation Futures. First edition. Emerald Group Publishing Limited, 2013.
Let op: Deze citaties zijn niet altijd 100% accuraat.