Torbert, Shane, author
Springer, 2012
eBooks
Mutreja, K.N.
Tata McGraw-Hill, 1994
Buku Teks
Kroenke, David M., 1946-, author
Mitchell Publishing, 1987
Buku Teks
Chatelin, Francoise, author
Academic Press, 1983
Buku Teks
Miltiadis D. Lytras, John M. Carroll, Ernesto Damiani, Robert D. Tennyson, David Avison, Gottfried Vosesen, Patricia Ordenez De Pablos, Patricia Ordonez, editor
Springer, 2008
Buku Teks