Levy, Haim, author
Prentice-Hall, 1990
Buku Teks
Thurow, Lester C., author
Wadsworth, 1970
Buku Teks
Hirshleifer, Jack, author
Prentice-Hall, 1970
Buku Teks
Levy, Haim, author
Prentice-Hall, 1986
Buku Teks
Hawkins, Christopher James, author
Macmillan, 1971
Buku Teks