Witt,Ulrich. (1993). Evolution in markets and institutions. Physica-Verlag.
Chicago Style aipamenaWitt,Ulrich. Evolution in Markets and Institutions. Germany: Physica-Verlag, 1993.
MLA aipamenaWitt,Ulrich. Evolution in Markets and Institutions. Physica-Verlag, 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.