Laird, D. A., & Laird, E. C. (1957). Techniques of delegating. McGraw Hill.
Chicago Style aipamenaLaird, Donald A., and Eleanor C. Laird. Techniques of Delegating. New York: McGraw Hill, 1957.
MLA aipamenaLaird, Donald A., and Eleanor C. Laird. Techniques of Delegating. McGraw Hill, 1957.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.