Werther, William B., author
McGraw-Hill, 1986
Buku Teks
Arthur, Diane, author
American Management Association;, 2001
eBooks
Muhammad Rifky Santoso, author
BPPK Kementerian Keuangan, 2019
Artikel Jurnal
Arthur, Diane, author
[American Management Association, ], 2004
eBooks
Carrell, Michael R., author
Irwin, 1984
Buku Teks