APA استشهاد

Graf, R. F., & Sheets, W. (1989). The encyclopedia of electronic circuits. BPB.

استشهاد بنمط شيكاغو

Graf, Rudolf F., و William Sheets. The Encyclopedia of Electronic Circuits. New Delhi: BPB, 1989.

MLA استشهاد

Graf, Rudolf F., و William Sheets. The Encyclopedia of Electronic Circuits. BPB, 1989.