McClelland, J.S.
Routledge , 1998
Buku Teks
Deutsch, Kenneth
Wadsworth and Cengage Learning, 2009
Buku Teks
Houghton, David Patrick
Routledge, 2015
Buku Teks
Parekh, Bhikhu
Kanisius, 2018
Buku Teks
edited by Isaac Kramnick
[publisher not identified], 1969
Buku Teks