Davies, Stephen, 1950-, author
Wiley Blackwell, 2016
Buku Teks
Christian, James L. , author
Wadsworth and Cengage Learning, 2012
Buku Teks
Eldridge, Richard, author
Cambridge, 2003
Buku Teks
Hauser, Arnold, author
Routledge & Kegan Paul, 1959
Buku Teks
Read, Herbert, author
The World Publishing Company, 1962
Buku Teks