Foster, J. H. (1931). Trees and shrubs of New Hampshire. State of N.H./Forestry Commission.
Chicago-Zitierstil (17. Ausg.)Foster, John Harold. Trees and Shrubs of New Hampshire. [s.l.]: State of N.H./Forestry Commission, 1931.
MLA-Zitierstil (9. Ausg.)Foster, John Harold. Trees and Shrubs of New Hampshire. State of N.H./Forestry Commission, 1931.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.