Gaya APA

Vogt, W, P. et al (2014). Selecting the right analuses for your data quantitative, qualitative and mixed methods . New York: The Guilford Press.

Gaya MLA

Vogt, W, Paul. et al. "Selecting the right analuses for your data quantitative, qualitative and mixed methods". New York: The Guilford Press, 2014. Text.