Clark, A. (1983). Social science: Introduction to theory and method.
Lua i Stíl Chicago (17ú heag.)Clark, Alfred. Social Science: Introduction to Theory and Method. Prentice Hall of Australia, 1983.
Lua MLA (9ú heag.)Clark, Alfred. Social Science: Introduction to Theory and Method. 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.