The institute of national planning, Elrayes, a., & Nosseir, a. (2010). Using pepa to model the unemployment problem. The institute of national planning.
Цитирование в стиле Чикаго (17-е изд.)The institute of national planning, amani Elrayes, и ann Nosseir. Using Pepa to Model the Unemployment Problem. cairo: The institute of national planning, 2010.
Цитирование MLA (9-е изд.)The institute of national planning, et al. Using Pepa to Model the Unemployment Problem. The institute of national planning, 2010.