Gaya APA

Herman, S, L. (2011). Delmar's Standard Textbook of Electricity (Ed. 4). USA: Penerbit Delmar, Cengage Learning.

Gaya MLA

Herman, Stephen, L.. "Delmar's Standard Textbook of Electricity". Ed. 4 USA: Penerbit Delmar, Cengage Learning, 2011. Text.