Cita APA (7a ed.)

Schmidt, P. (1993). New directions in attitude measurement. Walter de Gruyter.

Cita Chicago Style (17a ed.)

Schmidt, Peter. New Directions in Attitude Measurement. Berlin ; New York: Walter de Gruyter, 1993.

Cita MLA (9a ed.)

Schmidt, Peter. New Directions in Attitude Measurement. Walter de Gruyter, 1993.