Lawson, Henry, 1867-1922, author
Angus and Robertson, 1972
Buku Teks
Ana Fitrijayanti, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1998
UI - Skripsi (Membership)
London Routledge 1990,
Buku Teks
Kiernan, Brian, author
Oxford University Press, 1974
Buku Teks
Routledge, 1990
Buku Teks