Danmarks biblioteksforening. Rationaliseringskomiteen & Gimbel, H. (1969). Work simplification in Danish public libraries: Report of the Work Simplification Committeee of the Danish Library Association. Library Technology Program, American Library Association.
Chicago-referens (17:e uppl.)Danmarks biblioteksforening. Rationaliseringskomiteen och Henning Gimbel. Work Simplification in Danish Public Libraries: Report of the Work Simplification Committeee of the Danish Library Association. Chicago: Library Technology Program, American Library Association, 1969.
MLA-referens (9:e uppl.)Danmarks biblioteksforening. Rationaliseringskomiteen och Henning Gimbel. Work Simplification in Danish Public Libraries: Report of the Work Simplification Committeee of the Danish Library Association. Library Technology Program, American Library Association, 1969.