APA aipamena

Lefton, R. (2004). Leadership through people skills. TMH.

Chicago Style aipamena

Lefton, Robert. Leadership Through People Skills. New Delhi: TMH, 2004.

MLA aipamena

Lefton, Robert. Leadership Through People Skills. TMH, 2004.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.