Adler, A. Social interest: A challenge to mankind.
Lua i Stíl Chicago (17ú heag.)Adler, Alfred. Social Interest: A Challenge to Mankind.
Lua MLA (8ú heag.)Adler, Alfred. Social Interest: A Challenge to Mankind.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.