Barnes, David W., author
West Publishing , 1992
Buku Teks
Marinc, Matej, auhtor
[Springer, ], 2012
eBooks
The University of Chicago Press, 2018
Majalah, Jurnal, Buletin
edited by Warren J. Samuels and A. Allan Schmid
Kluwer-Nijhoff, 1981
Buku Teks
edited by Sylvester E. Berki
Health, 1966
Buku Teks