Brown, M. et al.(2005).Practical troubleshooting of electrical equipment and control circuits (ed. i).(4) Organisasi Perusahaan: Teo:Yayasan Kita Menulis.
Gaya MLA
Brown, M. et al..Practical troubleshooting of electrical equipment and control circuits.ed. i(4) Organisasi Perusahaan: Teo:Yayasan Kita Menulis,2005.Text.