Thorburn, G. (2014). Century of air warfare with Nine (IX) Squadron, RAF: Still going strong (1. publ. in Great Britain.). Pen & Sword Aviation.
Chicago-Zitierstil (17. Ausg.)Thorburn, Gordon. Century of Air Warfare with Nine (IX) Squadron, RAF: Still Going Strong. 1. publ. in Great Britain. Barnsley: Pen & Sword Aviation, 2014.
MLA-Zitierstil (9. Ausg.)Thorburn, Gordon. Century of Air Warfare with Nine (IX) Squadron, RAF: Still Going Strong. 1. publ. in Great Britain. Pen & Sword Aviation, 2014.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.