Cita APA (7th ed.)

Cooper, D. R., & Emory, C. W. (1995). Business Research Methods (5th ed.). Irwin.

Cita Chicago (17th ed.)

Cooper, Donald R., i C. William Emory. Business Research Methods. 5th ed. Chicago: Irwin, 1995.

Cita MLA (9th ed.)

Cooper, Donald R., i C. William Emory. Business Research Methods. 5th ed. Irwin, 1995.