WHITEHEAD, A. (1964). Planning, estimating and retefixing: For production engineers and students. Pitman.
Tohutoru Kātū Chicago (17th ed.)WHITEHEAD, A.C. Planning, Estimating and Retefixing: For Production Engineers and Students. London: Pitman, 1964.
Tohutoro MLA (9th ed.)WHITEHEAD, A.C. Planning, Estimating and Retefixing: For Production Engineers and Students. Pitman, 1964.
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