Cita APA (7th ed.)

Gardner, R. C. (2001). Psychological statistics using SPSS for Windows. Prentice Hall.

Cita Chicago (17th ed.)

Gardner, Robert C. Psychological Statistics Using SPSS for Windows. Upper Saddle River, N.J: Prentice Hall, 2001.

Cita MLA (9th ed.)

Gardner, Robert C. Psychological Statistics Using SPSS for Windows. Prentice Hall, 2001.