edited by John Fawcett
World Vision, 2003
Buku Teks
Delorit, Richard J.
Prentice-Hall, 1967
Buku Teks
Bambang Sumarjono
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2009
UI - Tesis Open
Chouker, Alexander, editor
Springer, 2012
eBooks
by Douglas D. Bishop ... [et al.]
McGraw-Hill, 1983
Buku Teks