Kelly, Eric Damian
Island Press, 2000
Buku Teks
Blyton, Enid, author
Hodder & Stoughton, 1950
Buku Teks
Fan, Cheng-ta, author
Chinese University Press, 1959
Buku Teks
Ames, Louise Bates, author
Delta, 1979
Buku Teks
Michael, Donald N.
Jossey-Bass, 1985
Buku Teks