Nevi Yuli Safitri, author
Fikri Publishing, 2004
Buku Teks
Mason, Audrey
Patrick Stephens Limited, 1992
Buku Teks
Heyerdahl, Thor
Penguin Books, 1960
Buku Teks
Heyerdahl, Thor
Rand McNally , 1958
Buku Teks
Marx, Karl, 1818-1883, author
[publisher not identified], [date of publication no identified]
Buku Teks