Schiller, A. R., Grimm, J. W., & Trumpeter, M. C. (1969). Characteristics of professional personnel in college and university libraries. Illinois State Library.
Chicago-referens (17:e uppl.)Schiller, Anita R., James W. Grimm, och Margo C. Trumpeter. Characteristics of Professional Personnel in College and University Libraries. Springfield: Illinois State Library, 1969.
MLA-referens (9:e uppl.)Schiller, Anita R., et al. Characteristics of Professional Personnel in College and University Libraries. Illinois State Library, 1969.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.