Marshall, K. (1996). The pendulum and the scythe: A history of operations undertaken by No. 4 Group Bomber Command between 1939 and 1945 (1. publ.). Air Research Publ.
Chicago-Zitierstil (17. Ausg.)Marshall, Ken. The Pendulum and the Scythe: A History of Operations Undertaken by No. 4 Group Bomber Command Between 1939 and 1945. 1. publ. Walton-on-Thames: Air Research Publ, 1996.
MLA-Zitierstil (9. Ausg.)Marshall, Ken. The Pendulum and the Scythe: A History of Operations Undertaken by No. 4 Group Bomber Command Between 1939 and 1945. 1. publ. Air Research Publ, 1996.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.