APA-viite (7. p.)
Ottis, S. G. (2009). Silent heroes: Downed airmen and the French underground (Paperback edition.). The University Press of Kentucky.
Chicago-viite (17. p.)
Ottis, Sherri Greene. Silent Heroes: Downed Airmen and the French Underground. Paperback edition. Lexington, Kentucky: The University Press of Kentucky, 2009.
MLA-viite (9. p.)
Ottis, Sherri Greene. Silent Heroes: Downed Airmen and the French Underground. Paperback edition. The University Press of Kentucky, 2009.
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