Cita APA (7th ed.)

(2010). SPSS for Starters by Ton J. Cleophas, Aeilko H. Zwinderman. [electronic resource].

Cita Chicago (17th ed.)

SPSS for Starters by Ton J. Cleophas, Aeilko H. Zwinderman. [electronic Resource]. 2010.

Cita MLA (9th ed.)

SPSS for Starters by Ton J. Cleophas, Aeilko H. Zwinderman. [electronic Resource]. 2010.