Baumol, William J., author
Harcourt, Brace Jovanovich College Publishers, 1985
Buku Teks
Baumol, William J., author
Harcourt, Brace Jovanovich College Publishers, 1991
Buku Teks
Baumol, William J., author
Harcourt Brace Jovanovich, 1979
Buku Teks
Owen, Diane S., author
Harcourt, Brace Jovanovich , 1991
Buku Teks
Brandis, Royall, author
Richard D. Irwin, 1959
Buku Klasik