APA-viite (7. p.)

Scherer, B. M., & Martin, R. D. (2005). Introduction to modern portfolio optimization with NuOPT and S-PLUS. Springer.

Chicago-viite (17. p.)

Scherer, Bernd Michael, ja R. Douglas Martin. Introduction to Modern Portfolio Optimization with NuOPT and S-PLUS. New York: Springer, 2005.

MLA-viite (9. p.)

Scherer, Bernd Michael, ja R. Douglas Martin. Introduction to Modern Portfolio Optimization with NuOPT and S-PLUS. Springer, 2005.