Hawkins, W. (2002). A beacon of American Jewish enlightenment: How vision and philanthropy saved Dropsie College. Kings Road Consulting.
Lua i Stíl Chicago (17ú heag.)Hawkins, William. A Beacon of American Jewish Enlightenment: How Vision and Philanthropy Saved Dropsie College. Philadelphia: Kings Road Consulting, 2002.
Lua MLA (8ú heag.)Hawkins, William. A Beacon of American Jewish Enlightenment: How Vision and Philanthropy Saved Dropsie College. Kings Road Consulting, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.