Gaya APA

Carver, R, H., Nash, G, J. (2012). Doing Data Analysis With SPSS Version 18 . Australia: Brooks/Cole Cengage Learning.

Gaya MLA

Carver, Robert, H., Nash, Gradwohl,, Jane. "Doing Data Analysis With SPSS Version 18". Australia: Brooks/Cole Cengage Learning, 2012. Text.