Faunce, William A.
McGraw-Hill, 1968
Buku Teks
Boodish, H.M., author
McGraw-Hill, 1949
Buku Teks
Mayo, Elton, author
Division of Research, Graduate School of Business Administration, Harvard University, 1946
Buku Teks
Bangert, Patrick, author
[Springer, ], 2012
eBooks
Lipset, Seymour Martin, author
University of California, 1967
Buku Teks