Parr, R. E. (1969). Principles of mechanical design. McGraw-Hill.
Chicago Style (17th ed.) CitationParr, Robert E. Principles of Mechanical Design. New York: McGraw-Hill, 1969.
MLA (8th ed.) CitationParr, Robert E. Principles of Mechanical Design. McGraw-Hill, 1969.
Warning: These citations may not always be 100% accurate.