Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

Gardner, Robert C. Psychological Statistics Using SPSS for Windows. Upper Saddle River, New Jersey: Prentice-Hall, Inc, 2001.

Cita MLA (9th ed.)

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