Jocano, F. Landa, author
University of The Philippines Press, 1968
Buku Teks
Inana Ismawati, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2009
UI - Skripsi (Open)
Laarhove, Ruurdje
New Day Publisher, 1989
Buku Teks
Constantino, Renato, author
Merlin Press, 1978
Buku Teks
George, T.J.S
Oxford University Press, 1980
Buku Teks