Crawford, I. C. (1950). Legal phases of engineering; contracts & specifications. Macmillan.
Cita Chicago Style (17a ed.)Crawford, Ivan C. Legal Phases of Engineering; Contracts & Specifications. New York: Macmillan, 1950.
Cita MLA (9a ed.)Crawford, Ivan C. Legal Phases of Engineering; Contracts & Specifications. Macmillan, 1950.
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