Linton, H. (2012). Portfolio design (Fourth edition.). W.W. Norton.
Chicago Style aipamenaLinton, Harold. Portfolio Design. Fourth edition. New York: W.W. Norton, 2012.
MLA aipamenaLinton, Harold. Portfolio Design. Fourth edition. W.W. Norton, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.