Wilhelm, D. (1977). Creative alternatives to communism: Guidelines to tomorrow's world. London: Macmillan.
Cita Chicago (17th ed.)Wilhelm, Donald. Creative Alternatives to Communism: Guidelines to Tomorrow's World. London: Macmillan, 1977.
Cita MLA (8th ed.)Wilhelm, Donald. Creative Alternatives to Communism: Guidelines to Tomorrow's World. London: Macmillan, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.