Stasiowski, F. (1993). Value pricing for the design firm. Wiley.
Chicago Style aipamenaStasiowski, Frank. Value Pricing for the Design Firm. New York: Wiley, 1993.
MLA aipamenaStasiowski, Frank. Value Pricing for the Design Firm. Wiley, 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.