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.