Lawler, Edward E., author
JOSSEY - BASS, 2008
Buku Teks
Lovelock, Christopher H., author
McGraw-Hill, 1994
Buku Teks
Pitts, Robert A., author
South-Western College Publishing, 2000
Buku Teks
David, Fred R.
Pearson, 2017
Buku Teks
Gamble, John, author
McGraw-Hill , 2015
Buku Teks