Waelder, R. (1967). Progress and revolution: A study of the issues of our age. International Universities Press.
Citazione stile Chigago Style (17a edizione)Waelder, Robert. Progress and Revolution: A Study of the Issues of Our Age. New York: International Universities Press, 1967.
Citatione MLA (9a ed.)Waelder, Robert. Progress and Revolution: A Study of the Issues of Our Age. International Universities Press, 1967.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.