APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.