Sheldon,Ross. (2018). A First Course in Probability (1st edition.). pesrson.
Chicago-viite (17. p.)Sheldon,Ross. A First Course in Probability. 1st edition. India: pesrson, 2018.
MLA-viite (9. p.)Sheldon,Ross. A First Course in Probability. 1st edition. pesrson, 2018.
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