Ash, M. G. (1998). Gestalt psychology in German culture, 1890 - 1967: Holism and the quest for objectivity (1. publ.). Cambridge Univ. Press.
Lua i Stíl Chicago (17ú heag.)Ash, Mitchell G. Gestalt Psychology in German Culture, 1890 - 1967: Holism and the Quest for Objectivity. 1. publ. Cambridge [u.a.]: Cambridge Univ. Press, 1998.
Lua MLA (8ú heag.)Ash, Mitchell G. Gestalt Psychology in German Culture, 1890 - 1967: Holism and the Quest for Objectivity. 1. publ. Cambridge Univ. Press, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.