Corpuz, Onofre
The Philippines
Prentice-Hall, 1965
Buku Teks
The Philippines
Buku Teks
Lea, Wayne A.
Trends in speech recognition/Wayne A. Lea
Prentice-Hall, 1980
Buku Teks
Abaya, Hernando J.
Betrayal in the Philippines
Malaya BOoks, 1970
Buku Teks
Majul, Cesar A.
Muslims in the Philippines
The University of The Philippines Press, 1973
Buku Teks