Ferris, A. J. (1942). When Russia bombs Germany (5th ed.). Marshall Press.
Cita Chicago (17th ed.)Ferris, Alexander James. When Russia Bombs Germany. 5th ed. London: Marshall Press, 1942.
Cita MLA (8th ed.)Ferris, Alexander James. When Russia Bombs Germany. 5th ed. Marshall Press, 1942.
Atenció: Aquestes cites poden no estar 100% correctes.