Awad, Elias M., author
Prentice-Hall, 2004
Buku Teks
edited by Malcolm Warner
Business Press, 2000
Buku Referensi
edited by Michael Dewe
Ashgate , 2002
Buku Teks
edited by Barbara Cherry, Susan R. Jacob
Elsevier, 2017
Buku Teks
edited by Dagmar Caganova, Michal Balog, Lucia Knapcíkova, Jakub Soviar, Serkan Mezarcıoz
Springer Nature, 2019
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