Cita APA (7a ed.)

Litwin, M. S. (1995). How to measure survey reliability and validity. Sage.

Cita Chicago Style (17a ed.)

Litwin, Mark S. How to Measure Survey Reliability and Validity. Thousand Oaks, California [etc.]: Sage, 1995.

Cita MLA (9a ed.)

Litwin, Mark S. How to Measure Survey Reliability and Validity. Sage, 1995.