R. E. Clark
发表
S. Koenig,
C. Vedder,
R. E. Clark,
1953
.
L. Williams,
L. Winfree,
Lawrence Clinton,
1992
.
Beverly L. Stiles,
R. E. Clark,
2011
.
G. Diekhoff,
Valerie J. Haines,
E. Labeff,
1986
.
G. Diekhoff,
Valerie J. Haines,
E. Labeff,
1996
.
R. Clark,
Roy B. Zuck,
J. Brubaker,
1975
.
R. Clark,
R. E. Clark,
1949,
American Journal of Sociology.
E. Labeff,
R. E. Clark,
1982,
Journal of health and social behavior.
R. E. Clark,
1972
.
R. Clark,
R. E. Clark,
1948
.
G. Diekhoff,
Valerie J. Haines,
E. Labeff,
1990
.