Baclagon, Uldarico S.
Saint Mary's Pub, 1975
Buku Teks
Syjuco, Jose G., author
Ne Day, 1977
Buku Teks
Sensarma, P.
Naya Prokash, 1977
Buku Teks
Fuller, John Frederick Charles, author
Funk and Wagnalls, 1955
Buku Teks
Grey, Jeffrey
Cambridge University Press, 1990
Buku Teks