Cita APA (7th ed.)

Polywka, J., & Gabrel, S. (1992). Programming of computer numerically controlled machines. Industrial Press.

Cita Chicago (17th ed.)

Polywka, John, i Stanley Gabrel. Programming of Computer Numerically Controlled Machines. New York: Industrial Press, 1992.

Cita MLA (9th ed.)

Polywka, John, i Stanley Gabrel. Programming of Computer Numerically Controlled Machines. Industrial Press, 1992.