Dimitrius, Jo
Ballantine,, 1999
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Simanjuntak, Megawati, author
Management Research Center (MRC) Department of Management, Faculty of Economics, University of Indonesia and Philip Kotler Center, 2014
Artikel Jurnal
Head, Thomas C.
Houghton Miffiln, 1986
Buku Teks
[edited by] Leonard A. Schlesinger, Robert G. Eccles, John J. Gabarro ; with the assistance of Thomas B. Lifson, James P. Ware
McGraw-Hill, 1983
Buku Teks
Dita Siti Nurhayati Anastasia Diliani, author
National Cheng Chi University, 2016
Artikel Jurnal