Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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