Schiller, A. R., Grimm, J. W., & Trumpeter, M. C. (1969). Characteristics of professional personnel in college and university libraries. Illinois State Library.
Cita Chicago (17th ed.)Schiller, Anita R., James W. Grimm, i Margo C. Trumpeter. Characteristics of Professional Personnel in College and University Libraries. Springfield: Illinois State Library, 1969.
Cita MLA (9th ed.)Schiller, Anita R., et al. Characteristics of Professional Personnel in College and University Libraries. Illinois State Library, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.