APA način citiranja (7. izdanje)

Day, R. A., & Underwood, A. L. 1. (1991). Quantitative analysis (6th ed.). Prentice Hall Intenational.

Čikaški stil citiranja (17. izdanje)

Day, Reuben Alexander, i Arthur Louis 1924 Underwood. Quantitative Analysis. 6th ed. Englewooe Cliffs, NJ: Prentice Hall Intenational, 1991.

MLA način citiranja (9. izdanje)

Day, Reuben Alexander, i Arthur Louis 1924 Underwood. Quantitative Analysis. 6th ed. Prentice Hall Intenational, 1991.