APA (7e ed.) Bronvermelding

Elton, E. J., & Gruber, M. J. (1987). Modern portfolio theory and investment analysis (3rd ed.). Wiley.

Chicago (17e ed.) Bronvermelding

Elton, Edwin J., en Martin Jay Gruber. Modern Portfolio Theory and Investment Analysis. 3rd ed. New York: Wiley, 1987.

MLA (9e ed.) Bronvermelding

Elton, Edwin J., en Martin Jay Gruber. Modern Portfolio Theory and Investment Analysis. 3rd ed. Wiley, 1987.