Cita APA (7th ed.)

Ruel, E. E., Wagner, W. E., & Gillespie, B. J. (2016). The practice of survey research: Theory and applications (Primera edición.). Sage.

Cita Chicago (17th ed.)

Ruel, Erin E., William E. Wagner, i Brian Joseph Gillespie. The Practice of Survey Research: Theory and Applications. Primera edición. Los Angeles: Sage, 2016.

Cita MLA (8th ed.)

Ruel, Erin E., et al. The Practice of Survey Research: Theory and Applications. Primera edición. Sage, 2016.

Atenció: Aquestes cites poden no estar 100% correctes.