F. Frey
发表
F. Hunter,
F. Frey,
1981
.
Herbert L. Bodman,
F. Frey,
1965
.
F. Frey,
H. Shapiro,
1971
.
F. Frey,
H. Shapiro,
1968
.
F. Frey,
1993
.
H. Hyman,
F. Frey,
Arif Payaslioğlu,
1958
.
F. Frey,
1966
.
F. Frey,
1971,
American Political Science Review.
T. Naff,
F. W. Frey,
F. Frey,
1985
.
F. Frey,
1985
.
F. Frey,
1963
.
E Abrutyn,
G. Woody,
C. O'brien,
1995,
NIDA research monograph.
Lord Kinross,
F. Frey,
J. Hurewitz,
1967
.