Core, E. L., & Ammons, N. P. (1999). Woody plants in winter: A manual of common trees and shrubs in winter in the northeastern United States and southeastern Canada. West Virginia University Press.
Ondo kopiatu da
Kopiatzeak huts egin du
Chicago Style (17th ed.) Zitazioa
Core, Earl Lemley, eta Nelle P. Ammons. Woody Plants in Winter: A Manual of Common Trees and Shrubs in Winter in the Northeastern United States and Southeastern Canada. Morgantown: West Virginia University Press, 1999.
Ondo kopiatu da
Kopiatzeak huts egin du
MLA (9th ed.) Zitazioa
Core, Earl Lemley, eta Nelle P. Ammons. Woody Plants in Winter: A Manual of Common Trees and Shrubs in Winter in the Northeastern United States and Southeastern Canada. West Virginia University Press, 1999.
Ondo kopiatu da
Kopiatzeak huts egin du
Kontuz: berrikusi erreferentzia hauek erabili aurretik.