Anderson, Bonnie S.
Harper Perennial, 1988
Buku Teks
Stavrianos, Leften Stavros, author
Prentice-Hall, c1988
Buku Teks
Lindemann, Albert S., author
John Wiley & Sons, 2013
Buku Teks
McNeill, William H., author
Prentice-Hall, 1990
Buku Teks
Sorensen, Bent, author
Earthscan, 2011
Buku Teks