Skousen, P. L. (2004). Valve handbook (2nd ed.). McGraw-Hill.
Chicago Style aipamenaSkousen, Philip L. Valve Handbook. 2nd ed. New York: McGraw-Hill, 2004.
MLA aipamenaSkousen, Philip L. Valve Handbook. 2nd ed. McGraw-Hill, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.