ASHWORTH, A. (1996). Contractual Procedures In The Construction Industry. Addison Wesley Longman.
Chicago Style (17. basım) AtıfASHWORTH, Allan. Contractual Procedures In The Construction Industry. Addison Wesley Longman, 1996.
MLA (8th ed.) AtıfASHWORTH, Allan. Contractual Procedures In The Construction Industry. Addison Wesley Longman, 1996.
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