Citazione Stile APA (7a Edizione)

The institute of national planning, Elrayes, a., & Nosseir, a. (2010). Using pepa to model the unemployment problem. The institute of national planning.

Citazione stile Chigago Style (17a edizione)

The institute of national planning, amani Elrayes, e ann Nosseir. Using Pepa to Model the Unemployment Problem. cairo: The institute of national planning, 2010.

Citatione MLA (9a ed.)

The institute of national planning, et al. Using Pepa to Model the Unemployment Problem. The institute of national planning, 2010.