John Green
Turtles all the way down
Dutton Books, 2017
Buku Teks
Butler, Samuel
The way of All Flesh
Everyman Publishers, 1992
Buku Teks
Butler, Samuel
The way of all flesh
Everyman's Library, 1992
Buku Teks
Butler, Samuel
The way of all flesh
A Wico Book, 2011
Buku Teks
Morris, Percy A.
Boy's book of turtles and lizards
Ronal Press, 1959
Buku Teks