Sant, Tom, author
American Management Association, 2012
eBooks
Gatrell, Jay D., author
Springer, 2012
eBooks
Bondan Winarno, author
Pustaka Utama Grafiti, 1995
Buku Teks
Faruqi, Saadia, author
Jones and Bartlett , 2011
Buku Teks
Zalmi Zubir, author
Lembaga Penerbit Fakultas Ekonomi Universitas Indonesia, 2006
Buku Teks