Bowett, D. W. (Derek William), author
Sinar Grafika, 1995
Buku Teks
Bowett, D. W. (Derek William), author
Sinar Grafika, 2007
Buku Teks
Posner, Richard A., author
The University of Chicago, 1976
Buku Teks
Bloomenthal, Harold S., author
Little, Brown, 1977
Buku Teks
Toth, A. G., author
Clarendon Press, 1990
Buku Referensi