APA-referens

Costello, L. (2003). Training young trees for structure and form. California: International Society of Arboriculture.

Chicago-stil citat

Costello, Larry. Training Young Trees for Structure and Form. California: International Society of Arboriculture, 2003.

MLA-referens

Costello, Larry. Training Young Trees for Structure and Form. California: International Society of Arboriculture, 2003.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.