editor Sidney Mailick; Edward H. Van Ness
Prentice-Hall, 1962
Buku Teks
Simon, Herbert A.
Macmillan, 1955
Buku Teks
Simon, Herbert A.
Macmillan, 1961
Buku Teks
Marvin, Philip Roger
Research Press, 1954
Buku Teks
Kaufman, Herbert
John Hopkins, 1960
Buku Teks