Gray, A. (1914). Principles and practice of electrical engineering. McGraw-Hill Book Company, inc..
Chicago-стиль цитированияGray, Alexander. Principles and Practice of Electrical Engineering. New York [etc.]: McGraw-Hill Book Company, inc., 1914.
MLA-цитированиеGray, Alexander. Principles and Practice of Electrical Engineering. McGraw-Hill Book Company, inc., 1914.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.