Gaya APA

Elton, E, J, ;, G, M, J, ;, B, S, J, ;, G, W, N. (2011). Modern Portfolio Theory and Investment Analysis . : John Wiley & Sons, Inc..

Gaya MLA

Elton, Edwin, J., ;, Gruber,, Martin, J., ;, Brown,, Stephen, J., ;, Goetzmann,, William, N.. "Modern Portfolio Theory and Investment Analysis". : John Wiley & Sons, Inc., 2011. Text.