Gaya APA
Duffua, S, O, A, R. (2015).
Planning and Control of Maintenance Systems : Modelling and Analysis (Second Edition).
Nwe York:
Springer, Switzerland.
Gaya MLA
Duffua, Salih, O., A., Raouf.
"Planning and Control of Maintenance Systems : Modelling and Analysis".
Second Edition
Nwe York:
Springer, Switzerland,
2015.
Text.