taha, h. A. (1965). decisions theory: Decisions under certainty. National Planning Institute.
Lua i Stíl Chicago (17ú heag.)taha, hamdy A. Decisions Theory: Decisions Under Certainty. cairo: National Planning Institute, 1965.
Lua MLA (9ú heag.)taha, hamdy A. Decisions Theory: Decisions Under Certainty. National Planning Institute, 1965.