(1964). Chestnut blight and resistant chestnuts (slightly revised.). U.S. Department of Agriculture.
Chicago-Zitierstil (17. Ausg.)Chestnut Blight and Resistant Chestnuts. slightly revised. Washington, DC: U.S. Department of Agriculture, 1964.
MLA-Zitierstil (9. Ausg.)Chestnut Blight and Resistant Chestnuts. slightly revised. U.S. Department of Agriculture, 1964.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.