Reischauer, Edwin O.
[publisher not identified], 1951
Buku Teks
Jeffrey P. Mass
Philippine, Yale University1974
Buku Teks
Daniels, F.J.
Lund Humphries & Company Ltd, 1944
Koleksi Publik
Miner, Earl
Pricenton University Press, 1979
Buku Teks
Turner, Janet
B.T. Batsford, 1994
Buku Referensi