Kleberg, Lars
Macmillan, 1993.
Buku Teks
Greenwald, Michael L., author
Longman, 2002
Buku Teks
Scott, A. C. (Adolphe Clarence), 1909-1985, author
George Allen and Unwin, 1957
Buku Teks
Kekung, Ceylonita L., author
1999
UI - Skripsi (Membership)
Rees, Leslie, 1905-2000, author
Angus and Robertson, 1973
Buku Teks