Elshafei, A. (1969). Statistical Distributions and Random Sampling: Exponential Distribution and Extensions. The Institute of National Planning.
Citazione stile Chigago Style (17a edizione)Elshafei, Alwalid. Statistical Distributions and Random Sampling: Exponential Distribution and Extensions. Cairo: The Institute of National Planning, 1969.
Citatione MLA (9a ed.)Elshafei, Alwalid. Statistical Distributions and Random Sampling: Exponential Distribution and Extensions. The Institute of National Planning, 1969.