Berger, P. L. (1963). Invitation to sociology: A humanistic perspective (First edition.). Anchor Books.
Lua i Stíl Chicago (17ú heag.)Berger, Peter L. Invitation to Sociology: A Humanistic Perspective. First edition. New York: Anchor Books, 1963.
Lua MLA (9ú heag.)Berger, Peter L. Invitation to Sociology: A Humanistic Perspective. First edition. Anchor Books, 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.