APA aipamena

(1978). Encyclopedia Of Professional Management / Ed. Lester Robert Bittel, Muriel Albers Bittel. McGraw-Hill.

Chicago Style aipamena

Encyclopedia Of Professional Management / Ed. Lester Robert Bittel, Muriel Albers Bittel. McGraw-Hill, 1978.

MLA aipamena

Encyclopedia Of Professional Management / Ed. Lester Robert Bittel, Muriel Albers Bittel. McGraw-Hill, 1978.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.