APA aipamena

BITTEL, L. R. Encyclpedia Of Professional Management Lester Bittel. McGraw-Hill.

Chicago Style aipamena

BITTEL, Lester R. Encyclpedia Of Professional Management Lester Bittel. McGraw-Hill.

MLA aipamena

BITTEL, Lester R. Encyclpedia Of Professional Management Lester Bittel. McGraw-Hill.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.