Lua APA (7ú heag.)
Germain, C. B. Human Behavior in the Social Environment: An Ecological View. Columbia University.
Lua i Stíl Chicago (17ú heag.)
Germain, Carel Bailey. Human Behavior in the Social Environment: An Ecological View. Nueva York, EUA: Columbia University.
Lua MLA (9ú heag.)
Germain, Carel Bailey. Human Behavior in the Social Environment: An Ecological View. Columbia University.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.