Gaya APA

Digital Control System of Electro-Hydraulic Servomechanism EHS 160. (2004). Medan: Universitas HKBP Nommesen.

Gaya MLA

Digital Control System of Electro-Hydraulic Servomechanism EHS 160. . Medan: Universitas HKBP Nommesen, 2004. Artikel.