Garrison, D. R. (1994). Research perspectives in adult education (Original ed.). Krieger Pub. Co..
Lua i Stíl Chicago (17ú heag.)Garrison, D. R. Research Perspectives in Adult Education. Original ed. Malabar, Fla.: Krieger Pub. Co., 1994.
Lua MLA (9ú heag.)Garrison, D. R. Research Perspectives in Adult Education. Original ed. Krieger Pub. Co., 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.