McNeill, William H., author
Prentice-Hall, 1990
Buku Teks
Stavrianos, Leften Stavros, author
Prentice-Hall, c1988
Buku Teks
McNeill, William H., author
Prentice-Hall, 1990
Buku Referensi
Cambridge University Press, 2017
Buku Teks
Rand McNally & Company, 1960
Buku Teks