(2000). Preventing stem girdling roots. California: Minnesota Society of Arboriculture.
Chicago Style CitationPreventing Stem Girdling Roots. California: Minnesota Society of Arboriculture, 2000.
Cita MLAPreventing Stem Girdling Roots. California: Minnesota Society of Arboriculture, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.