Beins, B. C. (2009). Research methods: A tool for life (Second Edition.). Pearson.
Chicagoスタイル(17版)引用形式Beins, Bernard C. Research Methods: A Tool for Life. Second Edition. Boston: Pearson, 2009.
MLA(9版)引用形式Beins, Bernard C. Research Methods: A Tool for Life. Second Edition. Pearson, 2009.
警告: この引用は必ずしも正確ではありません.