Peyser, Ethel, author
G.P. Putnam's Sons, 1956
Buku Teks
Sorensen, Bent, author
Earthscan, 2011
Buku Teks
Brenan, Gerald, author
At The University Press, 1951
Buku Teks
Holtom, Daniel Clarence, 1884-1962, author
Paragon, 1963
Buku Teks
Keegan, John, author
Routledge, 1996
Buku Referensi