Dunning, John H
Addison-Wesley , 1992
Buku Teks
Dunning, John H.
George Allen and Unwin , 1974
Buku Teks
edited by Huub Ruel
Emerald, 2018
eBooks
Cullen, John B. (John Brooks), 1948-, author
Thomson, 2005
Buku Teks
Michael R. Czinkota, Ronkainen Ilkka A., Michael H.Moffett, Eugene O. Moynihan, ... [et al.].
Harcourt College publishers, 2001
Buku Teks