Gaya APA

Gibson, Roger C.. (1990). Asset allocation : balancing financial risk . Illinois: Irwin.

Gaya Chicago

Gibson, Roger C.. Asset allocation : balancing financial risk. Illinois: Irwin, 1990. Text.

Gaya MLA

Gibson, Roger C.. Asset allocation : balancing financial risk. Illinois: Irwin, 1990. Text.

Gaya Turabian

Gibson, Roger C.. Asset allocation : balancing financial risk. Illinois: Irwin, 1990. Print.