edited by J. Richard Jennings, Michael G.H. Coles
John Wiley & Sons, 1991
Buku Referensi
Surwillo, Walter W.
Ablex , 1990
Buku Teks
John Wiley & Sons Inc., 1991
Buku Teks
edited by Michael Rines
Gower in Association with Marketing Magazine, 1981
Buku Teks
Mark Aronoff, Janie Rees-Miller
Wiley Blackwell, 2017
Buku Teks