Richards, L. E. (1983). Business statistics: Why and when (2nd ed.). McGraw - Hill.
Chicagoスタイル(17版)引用形式Richards, Larry E. Business Statistics: Why and When. 2nd ed. New York: McGraw - Hill, 1983.
MLA(9版)引用形式Richards, Larry E. Business Statistics: Why and When. 2nd ed. McGraw - Hill, 1983.
警告: この引用は必ずしも正確ではありません.