Colvin, I. (2013). Flight 777: The mystery of Leslie Howard / Ian Colvin. Pen & Sword.
Čikaški stil citiranja (17. izdanje)Colvin, Ian. Flight 777: The Mystery of Leslie Howard / Ian Colvin. Barnsley: Pen & Sword, 2013.
MLA način citiranja (8. izdanje)Colvin, Ian. Flight 777: The Mystery of Leslie Howard / Ian Colvin. Pen & Sword, 2013.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.