Blalock, H. M. (1972). Casual inferences in nonexperimental research. Norton.
Chicagoスタイル(17版)引用形式Blalock, Hubert M. Casual Inferences in Nonexperimental Research. New York: Norton, 1972.
MLA(9版)引用形式Blalock, Hubert M. Casual Inferences in Nonexperimental Research. Norton, 1972.
警告: この引用は必ずしも正確ではありません.