Dyfyniad APA

Radford, J. D., & Richardson, D. B. (1980). Production engineering technology. Mac millan.

Dyfyniad Arddull Chicago

Radford, John Dennis, and D B. Richardson. Production Engineering Technology. London: Mac millan, 1980.

Dyfyniad MLA

Radford, John Dennis, and D B. Richardson. Production Engineering Technology. Mac millan, 1980.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.