American Association of State Highway and Transportation Officials. (2010). Guidelines for value engineering. American Association of State Highway and Transportation Officials.
Chicago Style (17. basım) AtıfAmerican Association of State Highway and Transportation Officials. Guidelines for Value Engineering. Washington, DC: American Association of State Highway and Transportation Officials, 2010.
MLA (9th ed.) AtıfAmerican Association of State Highway and Transportation Officials. Guidelines for Value Engineering. American Association of State Highway and Transportation Officials, 2010.
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