Cambridge University Press, 1994
eBooks
Larson, Jil, author
Cambridge University Press, 2009
eBooks
Richard Saptenno, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1987
UI - Skripsi (Membership)
Goldman, Lucien, author
Tavistock, 1978
Buku Teks
Karl, Frederick R., author
Thames & Hudson, 1970
Buku Teks