Knorr, K. E. 1. (1970). Military power and potential. Heath Lexington Books.
Lua i Stíl Chicago (17ú heag.)Knorr, Klaus Eugen 1911. Military Power and Potential. Lexington, Mass: Heath Lexington Books, 1970.
Lua MLA (9ú heag.)Knorr, Klaus Eugen 1911. Military Power and Potential. Heath Lexington Books, 1970.
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