APA aipamena

Marczyk, G. R., DeMatteo, D., & Festinger, D. (2005). Essentials of research design and methodology. Wiley.

Chicago Style aipamena

Marczyk, Geoffrey R., David DeMatteo, and David Festinger. Essentials of Research Design and Methodology. Hoboken, N.J: Wiley, 2005.

MLA aipamena

Marczyk, Geoffrey R., et al. Essentials of Research Design and Methodology. Wiley, 2005.