APA aipamena

Skousen, P. L. (2004). Valve handbook (2nd ed.). McGraw-Hill.

Chicago Style aipamena

Skousen, Philip L. Valve Handbook. 2nd ed. New York: McGraw-Hill, 2004.

MLA aipamena

Skousen, Philip L. Valve Handbook. 2nd ed. McGraw-Hill, 2004.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.