Beard, Charles A., author
Macmillan, 1948
Buku Teks
Hamilton, Edith, author
New American Library, 1951
Buku Teks
Garrison, Web
The Lion Press, 2002
Buku Teks
Chow - Hou Wee
xxviii, 587 hlm. ; 22 cm.,
Buku Teks
R.H.A. Saleh, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2002
UI - Tesis (Membership)