Lua APA (7ú heag.)

Evans, L. (1969). The invasion of Czechoslovakia. New York: Merit.

Lua i Stíl Chicago (17ú heag.)

Evans, Les. The Invasion of Czechoslovakia. New York: Merit, 1969.

Lua MLA (8ú heag.)

Evans, Les. The Invasion of Czechoslovakia. New York: Merit, 1969.

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