Wolf Tony. (2009). The book of the earth, many questions and many answers. Euro Books.
Chicago-čujuhus (17. p.)Wolf Tony. The Book of the Earth, Many Questions and Many Answers. Mumbai: Euro Books, 2009.
MLA-čujuhus (9. p.)Wolf Tony. The Book of the Earth, Many Questions and Many Answers. Euro Books, 2009.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.