APA (7e ed.) Bronvermelding

Handy, L. C. a. M. (1973). Behavior change: Methodology, concepts and practice (ed.). Research Press Company.

Chicago (17e ed.) Bronvermelding

Handy, Lee C. and Mash. Behavior Change: Methodology, Concepts and Practice. ed. Illions: Research Press Company, 1973.

MLA (9e ed.) Bronvermelding

Handy, Lee C. and Mash. Behavior Change: Methodology, Concepts and Practice. ed. Research Press Company, 1973.