Cita APA

Fowler, F. J., & Fowler, F. J. (2009). Survey research methods (4. edition.). Los Angeles: SAGE.

Citación estilo Chicago

Fowler, Floyd J., y Floyd J. Fowler. Survey Research Methods. 4. edition. Los Angeles: SAGE, 2009.

Cita MLA

Fowler, Floyd J., y Floyd J. Fowler. Survey Research Methods. 4. edition. Los Angeles: SAGE, 2009.