Robertson, B., & Robertson, B. (1989). Aviation enthusiasts' reference book: The essential companion for anyone with an interest in aviation (2. ed.). Stephens.
Chicago-Zitierstil (17. Ausg.)Robertson, Bruce, und Bruce Robertson. Aviation Enthusiasts' Reference Book: The Essential Companion for Anyone with an Interest in Aviation. 2. ed. Wellinborough, Northamptonshire: Stephens, 1989.
MLA-Zitierstil (9. Ausg.)Robertson, Bruce, und Bruce Robertson. Aviation Enthusiasts' Reference Book: The Essential Companion for Anyone with an Interest in Aviation. 2. ed. Stephens, 1989.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.