APA (7e ed.) Bronvermelding

DeVellis, R. F. (1991). Scale development: Theory and applications. Sage.

Chicago (17e ed.) Bronvermelding

DeVellis, Robert F. Scale Development: Theory and Applications. Newbury Park, Calif.: Sage, 1991.

MLA (8e ed.) Bronvermelding

DeVellis, Robert F. Scale Development: Theory and Applications. Sage, 1991.