Cooper, D. Business Research Methods. Tata Mc-Graw Hill.
Chicagoスタイル(17版)引用形式Cooper, Donald. Business Research Methods. New Delhi: Tata Mc-Graw Hill.
MLA(9版)引用形式Cooper, Donald. Business Research Methods. Tata Mc-Graw Hill.
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APA(7版)引用形式