APA aipamena

Bittel, L. R. (1968). What every supervisor should know (2nd ed.). McGraw-Hill.

Chicago Style aipamena

Bittel, Lester R. What Every Supervisor Should Know. 2nd ed. New York: McGraw-Hill, 1968.

MLA aipamena

Bittel, Lester R. What Every Supervisor Should Know. 2nd ed. McGraw-Hill, 1968.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.