Blake, S. F. (1961). Geographical Guido to floras of the world: An annotated list with special reference to useful plants and common plant namens. U.S. Dep. of Agriculture.
Chicago-Zitierstil (17. Ausg.)Blake, S. F. Geographical Guido to Floras of the World: An Annotated List with Special Reference to Useful Plants and Common Plant Namens. Washington: U.S. Dep. of Agriculture, 1961.
MLA-Zitierstil (9. Ausg.)Blake, S. F. Geographical Guido to Floras of the World: An Annotated List with Special Reference to Useful Plants and Common Plant Namens. U.S. Dep. of Agriculture, 1961.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.