KRAR, S. F., GILL, A. R., & SMID, P. (2005). Technology of machine tools (Ed.6.). McGraw-Hill.

KRAR, Steve F., Arthur R. GILL, and Peter SMID. Technology of Machine Tools. Ed.6. Boston: McGraw-Hill, 2005.

KRAR, Steve F., et al. Technology of Machine Tools. Ed.6. McGraw-Hill, 2005.