Carey, John
Syracuse University Presss, 1971
Buku Teks
Abernathy, Charles F.
St. Paul Minn., 2000
Buku Teks
Sheridan, L.A.
Oceana Publications,Inc., 1963
Buku Teks
Abraham, Henry J.
Oxford University Press, 1982
Buku Teks
R. Rachmat Hendrawan Akbary
2016
UI - Tesis Membership