White, GW. Head of Reference Positions in Academic Libraries: A survey of Job Announcements from 1990 through 1999. Reference and User Services Quarterly. Vol. 39, no. 3; p. 265-272.
Roper FW, Mayfield MK. Surveying knowledge and skills in the health sciences: results and implications. BMLA 1993 81(4): 396-407.
Perra BM. The leader in you. Nursing Management. Chicago: Jan 1999. Vol. 30, Iss. 1; p. 35-40.