Gaya APA

Guarino, L, S, M, G, C, G, A, J. (2013). Performing Data Analysis Using IBM SPSS . : John Wiley & Sons.

Gaya MLA

Guarino, Lawrence, S., Meyers;, Glenn, C., Gamst;, A., J.. "Performing Data Analysis Using IBM SPSS". : John Wiley & Sons, 2013. Text.