Novit, Mitchell S.
Prentice-Hall, 1979
Buku Teks
Holdsworth, Roger F.
Brithis Institute of Management, 1972
Buku Teks
Cook, Mark
Wiley-Blackwell, 2009
Buku Teks
Rinehart, 1953
Buku Teks
Evandra Ricky Prakasa Subagyo, Author
2016
UI - Skripsi (Membership)