Harper, W. (1975). Operational research: W.M. Harper. Macdonald r Evans.
Chicago Style (17th ed.) CitationHarper, W.M. Operational Research: W.M. Harper. Macdonald r Evans, 1975.
MLA (8th ed.) CitationHarper, W.M. Operational Research: W.M. Harper. Macdonald r Evans, 1975.
Warning: These citations may not always be 100% accurate.