Ross, Sheldon M. 2010. Introduction to Probability Models. 10th ed. Amsterdam: Academic.
———. 2014. A First Course in Probability. Ninth edition. Harlow, Essex: Pearson Education Ltd. http://eu.alma.exlibrisgroup.com/view/action/uresolver.do?operation=resolveService&package_service_id=3037248150002418&institutionId=2418&customerId=2415.
Stirzaker, David. 2005. Stochastic Processes and Models. Oxford: Oxford University Press.