William H. Sperber
发表
Sara Mortimore,
Carol A. Wallace,
William H. Sperber,
2010
.
Sara Mortimore,
Carol A. Wallace,
William H. Sperber,
2010
.
William H. Sperber,
1998
.
William H. Sperber,
1992
.
Sara Mortimore,
Carol A. Wallace,
William H. Sperber,
2010
.
William H. Sperber,
W. Sperber,
2005
.
William H. Sperber,
2005
.
William H. Sperber,
2001
.