Bestfield, D. H. (1995). Total quality management. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Bestfield, Dale H. Total Quality Management. Englewood Cliffs, N. J: Prentice-Hall, 1995.
Lua MLA (9ú heag.)Bestfield, Dale H. Total Quality Management. Prentice-Hall, 1995.
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