Esser, J., editor
Narr, 1981
Buku Teks
Windy Bharata, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1992
UI - Skripsi (Membership)
O`grady, John, author
Ure Smith, 1973
Buku Referensi
editor, Tom McArthur ; managing editor, Feri McArthur
Oxford University Press, 1992
Buku Referensi
edited by Peter Collins and David Blair
University of Queensland Press, 1989
Buku Teks