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Routledge, 1996
Buku Referensi
Edson, Gary, author
Routledge, 1994
Buku Teks
Fopp, Michael A., author
Routledge, 1997
Buku Referensi
edited by Michael Rines
Gower in Association with Marketing Magazine, 1981
Buku Teks
Mark Aronoff, Janie Rees-Miller
Wiley Blackwell, 2017
Buku Teks