Morison, Samuel Eliot
Oxford University Press, 1942
Buku Teks
Morison, Samuel Eliot, author
Oxford University Press, 1962
Buku Teks
Morison, Samuel Eliot, author
Oxford University Press, 1949
Buku Teks
Kuo, Sirley W.Y., author
Westview Press, 1981
Buku Teks
Plato, author
Pinguin Books, 1960
Buku Teks