Rubenstein, Harvey M.
New York: John Wiley & Sons, 1992
Buku Teks SO
edited by Clare Cooper Marcus and Carolyn Francis ; drawings by Su Sin Tang and Yun Flora Yeh
John Wiley & Sons, 1998
Buku Teks SO
Flanagan, William G.
Allyn and Bacon, 1990
Buku Teks SO
Huyck, Alfred P. Van
Chandler-Davis Publishing Company, 1962
Buku Teks SO
Stone, Clarence N.
University of Chicago Press, 2015
Buku Teks SO