Robertson, B. (1961). Aircraft camouflage and markings 1907-1954 (4th, rev. impr., with addition of Squadron Badges.). Harleyford Publications.
Chicago-Zitierstil (17. Ausg.)Robertson, Bruce. Aircraft Camouflage and Markings 1907-1954. 4th, rev. impr., with addition of Squadron Badges. Letchworth, Herts: Harleyford Publications, 1961.
MLA-Zitierstil (9. Ausg.)Robertson, Bruce. Aircraft Camouflage and Markings 1907-1954. 4th, rev. impr., with addition of Squadron Badges. Harleyford Publications, 1961.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.