Koester, F. (1909). Hydroelectric developments and engineering: A practical and theoretical treatise on the development, design, construction, equipment and operation of hydroelectric transmission plants. D. Van Nostrand Co..
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Koester, Frank. Hydroelectric Developments and Engineering: A Practical and Theoretical Treatise on the Development, Design, Construction, Equipment and Operation of Hydroelectric Transmission Plants. New York: D. Van Nostrand Co., 1909.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Koester, Frank. Hydroelectric Developments and Engineering: A Practical and Theoretical Treatise on the Development, Design, Construction, Equipment and Operation of Hydroelectric Transmission Plants. D. Van Nostrand Co., 1909.
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