Yap-Diangco, Robert T., author
MCS Enterprises, 1971
Buku Teks
Reischauer, Edwin O., author
Houghton Mifflin, 1960, 1970
Buku Teks
edited Carmen Blacker [and others]
Princeton University Press, 1971
Buku Teks
Reischauer, Edwin O., author
George Allen and Unwin, 1982
Buku Teks
Weber, Eugen, author
D. C. Heath, 1959
Buku Teks