Study Rizal L.K.
Artikel Jurnal
Honey, William Bowyer, 1889-
George Routledge & Sons, 1947
Buku Teks SO
Flecher, William John Bainbrigge
Commercial Press, 1932
Buku Teks SO
Hanika Bunga
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 2009
UI - Skripsi Open
edited with introduction by David Wright
Penguin Books, 1982
Buku Referensi