by Andrew Schmitz, P. Lynn Kennedy, Troy G. Schmitz
Emerald, 2017
eBooks
Miller, David R., author
Wiley, 2011
Buku Teks
Dixon, Chris J., author
Routledge, 2015
Buku Teks
edited by Richard Jolly
Pergamon Press, 1978
Buku Teks
Castel, Helene
Macmillan, 1971
Buku Teks