APA (7th ed.) Zitazioa

elshafei, a. (1969). an introduction to simulation. National Planning Institute.

Chicago Style (17th ed.) Zitazioa

elshafei, alwalid. An Introduction to Simulation. cairo: National Planning Institute, 1969.

MLA (9th ed.) Zitazioa

elshafei, alwalid. An Introduction to Simulation. National Planning Institute, 1969.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.