Gaya APA

Industry., N, J, A, A, T, C, F, T, E. (2011). AC Theory (Ed. 3). USA: Penerbit Delmar, Cengage Learning.

Gaya MLA

Industry., National, Joint, Apprenticeship, And, Training, Committee, For, The, Electrical. "AC Theory". Ed. 3 USA: Penerbit Delmar, Cengage Learning, 2011. Text.