Touliatos, John, author
Iowa State University Press , 1988
Buku Teks
edited by W.L. Gibson, Jr, R.J. Hildreth, Gene Wunderlich
University of Nebraska Press, 1966
Buku Teks
Bhattacharyya, Dipak Kumar, author
Oxford University Press , 2014
Buku Teks
Morgeson, Frederick P., author
Sage, 2020
Buku Teks
McNeill, Patrick, author
Routledge, 1990
Buku Teks