APA aipamena

BITTEL. (1974). What Every Supervisor Should Know Bittel. McGraw-Hill.

Chicago Style aipamena

BITTEL. What Every Supervisor Should Know Bittel. McGraw-Hill, 1974.

MLA aipamena

BITTEL. What Every Supervisor Should Know Bittel. McGraw-Hill, 1974.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.