APA (7th ed.) Zitazioa

Childs, J. J. (1965). Principles of numerical control. Industrial Press.

Chicago Style (17th ed.) Zitazioa

Childs, James J. Principles of Numerical Control. Nueva York: Industrial Press, 1965.

MLA (9th ed.) Zitazioa

Childs, James J. Principles of Numerical Control. Industrial Press, 1965.