DeVellis, R. F. (2003). Scale development: Theory and applications (2a. ed.). Sage.
Citación estilo ChicagoDeVellis, Robert F. Scale Development: Theory and Applications. 2a. ed. Thousand Oaks: Sage, 2003.
Cita MLADeVellis, Robert F. Scale Development: Theory and Applications. 2a. ed. Sage, 2003.
Warning: These citations may not always be 100% accurate.