APA-viite (7. p.)

Levin, R. I. (1992). Quantitative approaches to management (8th ed.). National Book Store.

Chicago-viite (17. p.)

Levin, Richard I. Quantitative Approaches to Management. 8th ed. Mandaluyong City: National Book Store, 1992.

MLA-viite (9. p.)

Levin, Richard I. Quantitative Approaches to Management. 8th ed. National Book Store, 1992.

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