Elshafei, A. (1969). Statistical Distributions and Random Sampling: Exponential Distribution and Extensions. The Institute of National Planning.
Citace podle Chicago (17th ed.)Elshafei, Alwalid. Statistical Distributions and Random Sampling: Exponential Distribution and Extensions. Cairo: The Institute of National Planning, 1969.
Citace podle MLA (9th ed.)Elshafei, Alwalid. Statistical Distributions and Random Sampling: Exponential Distribution and Extensions. The Institute of National Planning, 1969.