Wallis, W. A., & Roberts, H. V. (1956). Statistics a new approach. The Free.
Chicagoスタイル(17版)引用形式Wallis, W. Allen, , Harry V. Roberts. Statistics a New Approach. Nueva York: The Free, 1956.
MLA(9版)引用形式Wallis, W. Allen, , Harry V. Roberts. Statistics a New Approach. The Free, 1956.
警告: この引用は必ずしも正確ではありません.