Cita APA (7th ed.)

Budd, L., Griggs, S., & Howarth, D. (2013). Sustainable aviation futures (First edition.). Emerald Group Publishing Limited.

Cita Chicago (17th ed.)

Budd, Lucy, Steven Griggs, i David Howarth. Sustainable Aviation Futures. First edition. United Kingdom: Emerald Group Publishing Limited, 2013.

Cita MLA (9th ed.)

Budd, Lucy, et al. Sustainable Aviation Futures. First edition. Emerald Group Publishing Limited, 2013.