Cook, Mary F., author
Prentice-Hall, 1997
Buku Referensi
Cambridge University Press, 2007
eBooks
Dedi Vitriyanto, author
Program Pascasarjana Universitas Indonesia, 2015
UI - Tesis (Membership)
Flippo, Edwin B., author
McGraw-Hill, 1984
Buku Teks
Jucius, Michael J., author
Richard D. Irwin, 1949
Buku Teks