APA aipamena

Knapp, H. (2017). Introductory statistics using SPSS (Second edition.). Sage.

Chicago Style aipamena

Knapp, Herschel. Introductory Statistics Using SPSS. Second edition. Los Angeles: Sage, 2017.

MLA aipamena

Knapp, Herschel. Introductory Statistics Using SPSS. Second edition. Sage, 2017.