Shingo, S. (1987). The sayings of Shigeo Shingo. England: Productivity Press.
Trích dẫn kiểu ChicagoShingo, Shigeo. The Sayings of Shigeo Shingo. England: Productivity Press, 1987.
MLA citiranjeShingo, Shigeo. The Sayings of Shigeo Shingo. England: Productivity Press, 1987.
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