Lua APA (7ú heag.)

BELL, G. (1973). Urban Environments And Human Behavior. s.n.

Lua i Stíl Chicago (17ú heag.)

BELL, Gwen. Urban Environments And Human Behavior. s.n, 1973.

Lua MLA (8ú heag.)

BELL, Gwen. Urban Environments And Human Behavior. s.n, 1973.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.