University of Michigan Department of Botany. Contribution from the Botanical Department of the University of Michigan.
Chicago-Zitierstil (17. Ausg.)University of Michigan Department of Botany. Contribution from the Botanical Department of the University of Michigan. Ann Arbor, Mich.
MLA-Zitierstil (9. Ausg.)University of Michigan Department of Botany. Contribution from the Botanical Department of the University of Michigan.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.