WATSON, J. (1994). Highway Construction & Maintenance John Watson. John Willey & Sons.
Chicago Style (17. basım) AtıfWATSON, John. Highway Construction & Maintenance John Watson. John Willey & Sons, 1994.
MLA (8th ed.) AtıfWATSON, John. Highway Construction & Maintenance John Watson. John Willey & Sons, 1994.
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