PERLOW LESLIE A. (2003). WHEN YOU SAY YES BUT MEAN NO. CROWN BUSINESS.
Chicago Style aipamenaPERLOW LESLIE A. WHEN YOU SAY YES BUT MEAN NO. NEW YORK: CROWN BUSINESS, 2003.
MLA aipamenaPERLOW LESLIE A. WHEN YOU SAY YES BUT MEAN NO. CROWN BUSINESS, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.