Wolf Tony. (2009). The book of the earth, many questions and many answers. Euro Books.
Chicago-Zitierstil (17. Ausg.)Wolf Tony. The Book of the Earth, Many Questions and Many Answers. Mumbai: Euro Books, 2009.
MLA-Zitierstil (9. Ausg.)Wolf Tony. The Book of the Earth, Many Questions and Many Answers. Euro Books, 2009.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.