Gaya APA

World., E. (,s.a). Practical problem solving, field tested solutions for electric utility operations. Vol. 2 (s.a). : New York : McGraw-Hill,.

Gaya MLA

World., Electrical. "Practical problem solving, field tested solutions for electric utility operations. Vol. 2". s.a : New York : McGraw-Hill,, ,s.a. Text.