Alan Williams
发表
Alan Williams,
1993
.
Alan Williams,
1987
.
Alan Williams,
Alan Williams,
2001
.
Alan Williams,
Roland Pitcher,
2019
.
Alan Williams,
J. Dambacher,
M. Sporcic,
2006
.
Alan Williams,
1999,
Health economics.
Alan Williams,
2020,
Encyclopedia of Global Archaeology.