APA
Schaeffer R. L., . (1989). Introduction to probability and its app;lications. Belmont CA: Duxbury Press.
Chicago
Schaeffer Richard L, . 1989. Introduction to probability and its app;lications. Belmont CA: Duxbury Press.
Harvard
Schaeffer R. L., . (1989). Introduction to probability and its app;lications. Belmont CA: Duxbury Press.
MLA
Schaeffer Richard L, . Introduction to probability and its app;lications. Belmont CA: Duxbury Press. 1989.