APA-ийн эшлэл(7 дахь хэвлэлт)
Hoover Dam 75th Anniversary History Symposium Las Vegas, Nev., American Society of Civil Engineers. Committee on History and Heritage of American Civil Engineering, ebrary, Inc, Gilbert, D. R., Rogers, J. R., & Wiltshire, R. L. (2011). Hoover Dam 75th Anniversary History Symposium: Proceedings of the Hoover Dam 75th Anniversary History Symposium, October 21-22, 2010, Las Vegas, Nevada. American Society of Civil Engineers.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
Hoover Dam 75th Anniversary History Symposium Las Vegas, Nev., American Society of Civil Engineers. Committee on History and Heritage of American Civil Engineering, Inc ebrary, David R. Gilbert, Jerry R. Rogers, ба Richard L. Wiltshire. Hoover Dam 75th Anniversary History Symposium: Proceedings of the Hoover Dam 75th Anniversary History Symposium, October 21-22, 2010, Las Vegas, Nevada. Reston, Va.: American Society of Civil Engineers, 2011.
MLA -ийн эшлэл (9 дэх хэвлэлт)
Hoover Dam 75th Anniversary History Symposium Las Vegas, Nev., et al. Hoover Dam 75th Anniversary History Symposium: Proceedings of the Hoover Dam 75th Anniversary History Symposium, October 21-22, 2010, Las Vegas, Nevada. American Society of Civil Engineers, 2011.
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