APA aipamena

HUMPHREY B. (2000). 21ST CENTURY SUPERVISOR: NINE ESSENTIAL SKILLS FOR FRONTLINE LEADERS. JOSSEY-BASS PUBLICATIONS.

Chicago Style aipamena

HUMPHREY B. 21ST CENTURY SUPERVISOR: NINE ESSENTIAL SKILLS FOR FRONTLINE LEADERS. SAN FRANCISCO: JOSSEY-BASS PUBLICATIONS, 2000.

MLA aipamena

HUMPHREY B. 21ST CENTURY SUPERVISOR: NINE ESSENTIAL SKILLS FOR FRONTLINE LEADERS. JOSSEY-BASS PUBLICATIONS, 2000.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.