Citazione Stile APA (7a Edizione)

DeVellis, R. F. (2003). Scale development: Theory and applications (2a. ed.). Sage.

Citazione stile Chigago Style (17a edizione)

DeVellis, Robert F. Scale Development: Theory and Applications. 2a. ed. Thousand Oaks: Sage, 2003.

Citatione MLA (9a ed.)

DeVellis, Robert F. Scale Development: Theory and Applications. 2a. ed. Sage, 2003.