M., S., H. et al.(1993).Masaik's photographic key to the trees and shrubs of Great Britain and northern Europe : a new system for identifying trees by their leaves and needles / Jean-Denis Godet, translated by Klive King, Helen M. Stevenson .:Masaik Books.
Gaya MLA
Stevenson, Helen, M.. et al."Masaik's photographic key to the trees and shrubs of Great Britain and northern Europe : a new system for identifying trees by their leaves and needles / Jean-Denis Godet, translated by Klive King, Helen M. Stevenson".:Masaik Books,1993.Textbook.