Spencer, R. H. (1983). Planning, implementation, and control in product test and assurance. Prentice-Hall.
Citace podle Chicago (17th ed.)Spencer, Richard H. Planning, Implementation, and Control in Product Test and Assurance. Englewood Cliffs, N.J: Prentice-Hall, 1983.
Citace podle MLA (9th ed.)Spencer, Richard H. Planning, Implementation, and Control in Product Test and Assurance. Prentice-Hall, 1983.
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