Colvin, I. (2013). Flight 777: The mystery of Leslie Howard / Ian Colvin. Pen & Sword.
Cita Chicago (17th ed.)Colvin, Ian. Flight 777: The Mystery of Leslie Howard / Ian Colvin. Barnsley: Pen & Sword, 2013.
Cita MLA (8th ed.)Colvin, Ian. Flight 777: The Mystery of Leslie Howard / Ian Colvin. Pen & Sword, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.