Berry, A. J., author
At The University Press, 1954
Buku Teks
edited by Lorcan Dempsey, Derek Law and Ian Mowat
Library Association Publishing , 1995
Buku Teks
edited by Lorcan Dempsey; Derek Law; Ian Mowat
Library Association Publishing, 1997
Buku Teks
Yang, C.K
University of California Press, 1961
Buku Teks
Lnge, Oscar
Warsawa Polonia Publishing House 1957
Buku Teks