Lua APA (7ú heag.)
Handy, L. C. a. M. (1973). Behavior change: Methodology, concepts and practice (ed.). Research Press Company.
Lua i Stíl Chicago (17ú heag.)
Handy, Lee C. and Mash. Behavior Change: Methodology, Concepts and Practice. ed. Illions: Research Press Company, 1973.
Lua MLA (9ú heag.)
Handy, Lee C. and Mash. Behavior Change: Methodology, Concepts and Practice. ed. Research Press Company, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.