Baumol, William J., author
Prentice Hall of India, 1985
Buku Teks
Baumol, William J., author
Prentice-Hall, 1972
Buku Teks
Jorgensen, Marianne
Sage, 2002
Buku Teks
Jorgensen, Marianne, author
Sage, 2004
Buku Teks
Scheid, Francis, author
McGraw-Hill, 1968
Buku Teks