Gaya APA

Green, S, B., Salkind, N, J. (2012). Using SPSS for Windows and Macintosh : analizyzing and understanding data (6th ed). : Pearson Prentice Hall.

Gaya MLA

Green, Samuel, B.., Salkind, Neil, J.. "Using SPSS for Windows and Macintosh : analizyzing and understanding data". 6th ed : Pearson Prentice Hall, 2012. Text.