Khan, A. J. (1969). Theory and Practice of Social Planning. Russel Sage Foundation.
Lua i Stíl Chicago (17ú heag.)Khan, Alfred J. Theory and Practice of Social Planning. Russel Sage Foundation, 1969.
Lua MLA (9ú heag.)Khan, Alfred J. Theory and Practice of Social Planning. Russel Sage Foundation, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.