Ciampa, Dan
Harvard Business School Press, 1999
Buku Teks
Slater, Robert, author
Richard D. Irwin, 1994
Buku Teks
edited by Yonjoo Cho ... [and other]
Palgrave Macmillan, 2017
Buku Teks
Cox, Danny, author
McGraw-Hill, 2003
Buku Teks
Elex Media Komputindo, 1991
Buku Teks