O'Connor, M. (2002). Airfields and airmen, Somme. Leo Cooper.
Cita Chicago (17th ed.)O'Connor, Mike. Airfields and Airmen, Somme. South Yorkshire, England: Leo Cooper, 2002.
Cita MLA (9th ed.)O'Connor, Mike. Airfields and Airmen, Somme. Leo Cooper, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.