Gaya APA

Handy, W. (2013). Unofficial beginner's guide to S7-200 Siemens PLC (Ed.1, Cet.1). Yogyakarta: Graha Ilmu.

Gaya MLA

Wicaksono, Handy. "Unofficial beginner's guide to S7-200 Siemens PLC". Ed.1, Cet.1 Yogyakarta: Graha Ilmu, 2013. Textbook.