Wilcox, Rand R.
Oxford University Press, 2009
Buku Teks
Tinelli, Andrea, editor
Springer, 2012
eBooks
edited by Frederick H. Kanfer and Arnold P. Goldstein
Pergamon Press, 1991
Buku Teks
English, John W. author
Allyn and Bacon, 1993
Buku Teks
KPMG IFRG Limited
KPMG IFRG Limited, 2011
Buku Teks