Heymann, F. G. (1966). Poland & Czechoslovakia Republic. Prentice-Hall.
Chicago Style (17th ed.) CitationHeymann, Frederick Gotthold. Poland & Czechoslovakia Republic. Englewood Cliffs, N.J: Prentice-Hall, 1966.
ציטוט MLAHeymann, Frederick Gotthold. Poland & Czechoslovakia Republic. Prentice-Hall, 1966.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.