ebrary, Inc, Bischof, G., Karner, S., & Ruggenthaler, P. (2010). The Prague Spring and the Warsaw Pact invasion of Czechoslovakia in 1968. Lexington Books.
Citace podle Chicago (17th ed.)ebrary, Inc, Günter Bischof, Stefan Karner, a Peter Ruggenthaler. The Prague Spring and the Warsaw Pact Invasion of Czechoslovakia in 1968. Lanham, MD: Lexington Books, 2010.
Citace podle MLA (9th ed.)ebrary, Inc, et al. The Prague Spring and the Warsaw Pact Invasion of Czechoslovakia in 1968. Lexington Books, 2010.
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