Terrell, E. E. (1977). A checklist of names for 3,000 vascular plants of economic importance. Agricultural Research Service, U.S. Dept. of Agriculture.
Chicago-Zitierstil (17. Ausg.)Terrell, Edward E. A Checklist of Names for 3,000 Vascular Plants of Economic Importance. Washington: Agricultural Research Service, U.S. Dept. of Agriculture, 1977.
MLA-Zitierstil (8. Ausg.)Terrell, Edward E. A Checklist of Names for 3,000 Vascular Plants of Economic Importance. Agricultural Research Service, U.S. Dept. of Agriculture, 1977.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.