Pennington, S. (2020). Benjamin Wright: Father of American civil engineering. American Society of Civil Engineering. https://doi.org/10.1061/9780784415665
Chicago Style (17. basım) AtıfPennington, Steven. Benjamin Wright: Father of American Civil Engineering. Reston, Virginia: American Society of Civil Engineering, 2020. https://doi.org/10.1061/9780784415665.
MLA (9th ed.) AtıfPennington, Steven. Benjamin Wright: Father of American Civil Engineering. American Society of Civil Engineering, 2020. https://doi.org/10.1061/9780784415665.
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