A. Lefford

发表

H. Birch, A. Lefford, H G BIRCH, 1963, Monographs of the Society for Research in Child Development.
H. Birch, H G Birch, A Lefford, 1967, Monographs of the Society for Research in Child Development.
A. Lefford, A LEFFORD, Arthur Lefford, 1946, The Journal of general psychology.