Konopka, G. (1958). Eduard C. Lindeman and social work philosophy. University of Minnesota Press.
Lua i Stíl Chicago (17ú heag.)Konopka, Gisela. Eduard C. Lindeman and Social Work Philosophy. Minneapolis: University of Minnesota Press, 1958.
Lua MLA (9ú heag.)Konopka, Gisela. Eduard C. Lindeman and Social Work Philosophy. University of Minnesota Press, 1958.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.