Kobliski, Kathy J, author
Entrepreneur Press, 2005
Buku Teks
Kobliski, Kathy J, author
Entrepreneur Press, 2005
Buku Teks
Brannen, William H.
Prentice-Hall, 1983
Buku Teks
Hanna Vanya, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2016
UI - Makalah dan Kertas Kerja
Baker, Stephen, 1921-2004, author
McGraw-Hill, 1979
Buku Teks