Jackie Gaff. (2005). I Wonder Why Pine Trees Have Needles: And Other Questions About Forests. Gardners Books.
Chicago-Zitierstil (17. Ausg.)Jackie Gaff. I Wonder Why Pine Trees Have Needles: And Other Questions About Forests. Gardners Books, 2005.
MLA-Zitierstil (9. Ausg.)Jackie Gaff. I Wonder Why Pine Trees Have Needles: And Other Questions About Forests. Gardners Books, 2005.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.