Jeffrey, D. (1991). Principles of machine operation and maintenance / Dick Jeffrey. Butterworth-Heinemann.
Chicago Style (17th ed.) CitationJeffrey, Dick. Principles of Machine Operation and Maintenance / Dick Jeffrey. London: Butterworth-Heinemann, 1991.
MLA (9th ed.) CitationJeffrey, Dick. Principles of Machine Operation and Maintenance / Dick Jeffrey. Butterworth-Heinemann, 1991.
Warning: These citations may not always be 100% accurate.