APA-čujuhus (7. p.)
Ward, A. C., Sobek, D. K., II, & Shook, J. Lean Product and Process Development (2a edición.). Lean Enterprise Institute.
Chicago-čujuhus (17. p.)
Ward, Allen C., Durward K. Sobek, II, juo John Shook. Lean Product and Process Development. 2a edición. Cambridge, EUA: Lean Enterprise Institute.
MLA-čujuhus (9. p.)
Ward, Allen C., et al. Lean Product and Process Development. 2a edición. Lean Enterprise Institute.
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