Constantino, Renato, author
Malaya Books, 1969
Buku Teks
Santiago, Francisco
University of the Philippines, 1957
Buku Teks
Scott, William Henry, author
New Day Publishers, 1982
Buku Teks
Reyess, Elizabeth, author
Tuttle Publishing, 2012.
Buku Teks
Ruzui, Septy
Dewan Bahasa dan Pustaka, 1968
Buku Teks