Walker, Shirley
University of Queensland Press, 1991
Buku Teks
de Groen, Frances, author
Pan Books, 1981
Buku Teks
Walker, Shirley
Oxford University Press, 1982
Buku Referensi
Hope, A.D. (Alec Derwent), 1907-2000, author
Oxford University Press, 1975
Buku Teks
M. Luky Susanti, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1988
UI - Skripsi (Membership)