Ginzberg, Eli, 1911-
Simon and Schuster, 1958
Buku Teks
Ginzberg, Eli, 1911-
McGraw-Hill , 1979
Buku Teks
Levitan, Sar A.
Harper & Row , 1982
Buku Teks
Bakke, Edward Wight
Charlew E. Merrill Books, 1963
Buku Teks
edited by Arthur M. Ross
University of California Press, 1965
Buku Teks