Gamow, George
Matter, earth, and sky
Prentice-Hall, 1963
 Buku Teks
Aiu Ahra
Sky
Gramedia Pustaka Utama, 2016
 Buku Teks
Press, Frank
Earth
W H Freeman , 1974
 Buku Teks
Winton, Tim
That eye, the sky
Australian Large Print, 1987
 Buku Teks SO
Coomaraswamy, Rama P.
The door in the sky
Princetown University Press, 1997
 Buku Teks SO