Wetherill, G. B. (1977). Sampling inspection and quality control (2nd ed.). Chapman and Hall.
Cita Chicago Style (17a ed.)Wetherill, G. Barrie. Sampling Inspection and Quality Control. 2nd ed. London: Chapman and Hall, 1977.
Cita MLA (9a ed.)Wetherill, G. Barrie. Sampling Inspection and Quality Control. 2nd ed. Chapman and Hall, 1977.
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