APA aipamena

BEER M. (2001). BREAKING THE CODE OF CHANGE. BOSTON.

Chicago Style aipamena

BEER M. BREAKING THE CODE OF CHANGE. H B S: BOSTON, 2001.

MLA aipamena

BEER M. BREAKING THE CODE OF CHANGE. BOSTON, 2001.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.