Cooper, D. R., Wikarya, U., Soetjipto, W., & Emory, C. W. (2002). Metode Penelitian Bisnis Jilid 2. Erlangga.
Chicago Style (17th ed.) CitationCooper, Donald R., Uka Wikarya, Widyono Soetjipto, and C. William Emory. Metode Penelitian Bisnis Jilid 2. Erlangga, 2002.
MLA (8th ed.) CitationCooper, Donald R., et al. Metode Penelitian Bisnis Jilid 2. Erlangga, 2002.
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