Singer, G. (1965). Teacher education in a Communist state: Poland 1956-1961. Bookman Associates.
Cita Chicago (17th ed.)Singer, Gusta. Teacher Education in a Communist State: Poland 1956-1961. New York: Bookman Associates, 1965.
Cita MLA (9th ed.)Singer, Gusta. Teacher Education in a Communist State: Poland 1956-1961. Bookman Associates, 1965.
Atenció: Aquestes cites poden no estar 100% correctes.