RIES AL. 22 IMMUTABLE LAWS OF BRANDING. HARPER COLLINS PUBLISHERS.
Chicago Style aipamenaRIES AL. 22 IMMUTABLE LAWS OF BRANDING. USA: HARPER COLLINS PUBLISHERS.
MLA aipamenaRIES AL. 22 IMMUTABLE LAWS OF BRANDING. HARPER COLLINS PUBLISHERS.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.