Sergean, R. (1977). Librarianship and information work: Job characteristics and staffing needs. British Library.
Chicago-Zitierstil (17. Ausg.)Sergean, Robert. Librarianship and Information Work: Job Characteristics and Staffing Needs. London: British Library, 1977.
MLA-Zitierstil (8. Ausg.)Sergean, Robert. Librarianship and Information Work: Job Characteristics and Staffing Needs. British Library, 1977.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.