Walker, W. F. (1963). Engineering productivity. Crosby Lockwood.
Chicago Style (17th ed.) CitationWalker, William Francis. Engineering Productivity. London: Crosby Lockwood, 1963.
MLA (8th ed.) CitationWalker, William Francis. Engineering Productivity. Crosby Lockwood, 1963.
Warning: These citations may not always be 100% accurate.