Heyerdahl, Thor
Longmans, 1957
Buku Teks
Clarke, Arthur C.
VGSF , 1987
Buku Teks
Smith, Wilbur, author
Pan Bookes, 1990
Buku Teks
Kunzru, Hari, author
Penguin Books, 2005
Buku Teks
Buck, Pearl Sydenstricker, 1892-1973, author
Gramedia Pustaka Utama, 2003
Buku Teks