edited by W. W. Cooper, H. J. Leavitt [and] M. W. Shelly II
John Wiley & Sons, 1964
Buku Teks
Bolton, William, 1933-
McGraw-Hill, 1976
Buku Teks
Blake, Robert R.
Gulf Pub. Co., Book Division, 1978
Buku Teks
Mankin, Don
Harvard Business School Press , 1996
Buku Teks
Aberle, S. D.
American Anthropological Association, 1948
Buku Teks