Hogendorn, Jan S., author
Prentice-Hall, 1995
Buku Teks
Chang, Semoon, author
Allyn and Bacon, 1990
Buku Teks
Boulding, Kenneth E. (Kenneth Ewart), 1910-1993, author
Harper & Row, 1966
Buku Teks
Robinson, Joan, author
C.A. Watts, 1962
Buku Teks
Kirzner, Israel M., author
D. Van Nostrand , 1960
Buku Teks