Gessford, John Evans
Addison-Wesley, 1980
Buku Teks
Dedy Wijanarko
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2014
UI - Tesis (Membership)
Sprague, Ralph H.
Prentice-Hall, 1995
Buku Teks
edited by Alexis Papathanassis, Michael H. Bretner, Cornelia Schoen and Nadine Guhr
Gabler Verlag, 2012
eBooks
Thierauf, Robert J.
Prentice-Hall International, 1988
Buku Teks