APA استشهاد

Williams, J. B. (1956). Theory of investment value/2e (2nd ed.). North Holland.

استشهاد بنمط شيكاغو

Williams, John Burr. Theory of Investment Value/2e. 2nd ed. Amsterdam: North Holland, 1956.

MLA استشهاد

Williams, John Burr. Theory of Investment Value/2e. 2nd ed. North Holland, 1956.