Wilhelm, D. (1977). Creative alternatives to communism: Guidelines to tomorrow's world. London: Macmillan.
Citazione stile Chigago Style (17a edizione)Wilhelm, Donald. Creative Alternatives to Communism: Guidelines to Tomorrow's World. London: Macmillan, 1977.
Citatione MLA (8a ed.)Wilhelm, Donald. Creative Alternatives to Communism: Guidelines to Tomorrow's World. London: Macmillan, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.