Williams, J. B. (1956). Theory of investment value/2e (2nd ed.). North Holland.
Chicago Style aipamenaWilliams, John Burr. Theory of Investment Value/2e. 2nd ed. Amsterdam: North Holland, 1956.
MLA aipamenaWilliams, John Burr. Theory of Investment Value/2e. 2nd ed. North Holland, 1956.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.