Dyfyniad APA

ELTON, E. J., GRUBER, M. J., BROWN, S. J., & GOETZMANN, W. N. (2007). Modern portfolio theory and investment analysis (Ed.7.). John Wiley and Sons.

Dyfyniad Arddull Chicago

ELTON, Edwin J., Martin J. GRUBER, Stephen J. BROWN, and William N. GOETZMANN. Modern Portfolio Theory and Investment Analysis. Ed.7. New Jersey: John Wiley and Sons, 2007.

Dyfyniad MLA

ELTON, Edwin J., et al. Modern Portfolio Theory and Investment Analysis. Ed.7. John Wiley and Sons, 2007.

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