Gaya APA
Ansori, N., Mustajib, I. (2013).
Sistem Perawatan Terpadu (Integrated Maintenance System) .
Yogyakarta:
GRAHA ILMU..
Gaya MLA
Ansori, Nachnul., Mustajib, Imron.
"Sistem Perawatan Terpadu (Integrated Maintenance System)".
Yogyakarta:
GRAHA ILMU.,
2013.
Text.