WEISS DAVID J. (2005). LEADERSHIP GAP. JOHN WILEY & SONS.
Chicago Style aipamenaWEISS DAVID J. LEADERSHIP GAP. MISSISSAUGA: JOHN WILEY & SONS, 2005.
MLA aipamenaWEISS DAVID J. LEADERSHIP GAP. JOHN WILEY & SONS, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.