UTTENBECK JOHN. (1998). DESIGN PRO & INTERFACING. PHI.
Chicago Style aipamenaUTTENBECK JOHN. DESIGN PRO & INTERFACING. NEW DELHI: PHI, 1998.
MLA aipamenaUTTENBECK JOHN. DESIGN PRO & INTERFACING. PHI, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.