Cita APA (7th ed.)

Emory, W., & Cooper, D. R. (1993). Business research methods (4th ed.). National Book Store.

Cita Chicago (17th ed.)

Emory, William, i Donald R. Cooper. Business Research Methods. 4th ed. Manila: National Book Store, 1993.

Cita MLA (9th ed.)

Emory, William, i Donald R. Cooper. Business Research Methods. 4th ed. National Book Store, 1993.