Alex Soemadji Nitisemito, author
Ghalia Indonesia, 1984
Buku Teks
Parkinson, C. Northcote (Cyril Northcote), 1909-1993, author
Federal Publications, 1992
Buku Teks
Etzel, Michael J., author
McGraw-Hill, 2004
Buku Teks
Phillips, Charles F., author
Boston , Houghton Mifflin
Buku Teks
Pelton, Lou E., author
McGraw-Hill Irwin, 2002
Buku Teks