Não informado. (1975). Progress in Behavior Modification. Academic Press.
Lua i Stíl Chicago (17ú heag.)Não informado. Progress in Behavior Modification. New York: Academic Press, 1975.
Lua MLA (8ú heag.)Não informado. Progress in Behavior Modification. Academic Press, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.