Raymond, Noe, author
McGraw-Hill, 2003
Buku Teks
Iriani Ismail, author
Universitas Brawijaya Malang, 2010
Buku Teks
Veithzal Rivai Zainal, author
Rajawali, 2011
Buku Teks
Edy Sutrisno, author
Kencana Prenada Media Group, 2011
Buku Teks
Grensing-Phophal, Lin, author
Prenada, 2008
Buku Teks