Stryker, Perrin, editor
Harper & Row, [date of publication not identified]
Buku Teks
by John P. Campbell ... [and others]
McGraw-Hill, 1970
Buku Teks
edited by by Harold J. Leavitt and Louise R. Pondy
University of Chicago Press, c1964
Buku Teks
edited by Harold J. Leavitt and Louis R. Pondy
University of Chicago Press, 1964
Buku Teks
Savage, Christopher I.
Hutchinson, 1975
Buku Teks