Houghton, P. S. (1953). Workshop cost and costing. Chapman& hall.
Tohutoru Kātū Chicago (17th ed.)Houghton, P. S. Workshop Cost and Costing. London: Chapman& hall, 1953.
Tohutoro MLA (9th ed.)Houghton, P. S. Workshop Cost and Costing. Chapman& hall, 1953.
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