एपीए उद्धरण

Heymann, F. G. (1966). Poland and Czecholovakia. New Jersey: Prentice-Hall.

शिकागो स्टाइल उद्धरण

Heymann, Frederick G. Poland and Czecholovakia. New Jersey: Prentice-Hall, 1966.

एमएलए उद्धरण

Heymann, Frederick G. Poland and Czecholovakia. New Jersey: Prentice-Hall, 1966.