Bittle Leaster R. (1987). What Every Superisor Should Know. TMH.
Chicago Style aipamenaBittle Leaster R. What Every Superisor Should Know. New Delhi: TMH, 1987.
MLA aipamenaBittle Leaster R. What Every Superisor Should Know. TMH, 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.