Freund, J. E. (1981). Statistics: A first course (2nd ed.). Prentice Hall.
Chicagoスタイル(17版)引用形式Freund, John E. Statistics: A First Course. 2nd ed. Englewood Cliffs, NJ : New Jersey: Prentice Hall, 1981.
MLA(9版)引用形式Freund, John E. Statistics: A First Course. 2nd ed. Prentice Hall, 1981.
警告: この引用は必ずしも正確ではありません.