Gnedenko, B. V., & Roberts, J. (1961). An elementary introduction to the theory of probability. W.H. Freeman.
Citazione stile Chigago Style (17a edizione)Gnedenko, B. V., e J.B Roberts. An Elementary Introduction to the Theory of Probability. San Francisco: W.H. Freeman, 1961.
Citatione MLA (9a ed.)Gnedenko, B. V., e J.B Roberts. An Elementary Introduction to the Theory of Probability. W.H. Freeman, 1961.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.