Chang, H.C.
Edinburgh University Press, 1973
Buku Teks
Nash, Walter
Routledge, 1990
Buku Teks
Palmer, Jerry
Routledge, 1991
Buku Teks
Reynolds, Kimberley
Harvester Wheatsheaf, 1990
Buku Teks
Mohamad Yoga Ramadhan
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2011
UI - Skripsi Open