Adelman, Irma
Stanford University Press, 1961
Buku Teks SO
Millikan, Max F.
Columbia University Press, 1967
Buku Teks
edited by Richard N. Gardner and Max F. Millikan
Praeger , 1968
Buku Teks
Rubin, Seymour J.
Harper & Row, 1966
Buku Teks
The University of Chicago Press, 1977
Buku Teks