Ball, Donald A., author
Irwin McGraw-Hill, 1999
Buku Teks
by Donald A. Ball ... [and others]
McGraw-Hill Irwin, 2002
Buku Teks
edited by Farok J. Contractor and Peter Lorange
Lexington Books, 1988
Buku Teks
Rien T. Segers, editor
Springer International Publishing, 2016
eBooks
Michael R. Czinkota, Ronkainen Ilkka A., Michael H.Moffett, Eugene O. Moynihan, ... [et al.].
Harcourt College publishers, 2001
Buku Teks