Weisfelder, R. F. (1980). Weisfelder collection: Periodicals and newspapers. Center for Research Libraries.
Chicago-referens (17:e uppl.)Weisfelder, Richard Frederick. Weisfelder Collection: Periodicals and Newspapers. [Chicago]: Center for Research Libraries, 1980.
MLA-referens (8:e uppl.)Weisfelder, Richard Frederick. Weisfelder Collection: Periodicals and Newspapers. Center for Research Libraries, 1980.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.