Gaya APA
Ansori, N., Mustajib, M. (2013).
Sistem Perawatan Terpadu (integrated Maintenance System) .
Yogyakarta:
graha ilmu.
Gaya MLA
Ansori, Nachnul., Mustajib, M.Imron.
"Sistem Perawatan Terpadu (integrated Maintenance System)".
Yogyakarta:
graha ilmu,
2013.
Text.