Dyfyniad APA

Heymann, F. G. (1966). Poland & Czechoslovakia Republic. Prentice-Hall.

Dyfyniad Arddull Chicago

Heymann, Frederick Gotthold. Poland & Czechoslovakia Republic. Englewood Cliffs, N.J: Prentice-Hall, 1966.

Dyfyniad MLA

Heymann, Frederick Gotthold. Poland & Czechoslovakia Republic. Prentice-Hall, 1966.

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