International Society of Arboriculture & American National Standards Institute, Inc. (2000). American national standard for tree care operations: Pruning, repairing, maintaining, and removing trees, and cutting brush - safety requirements (Revised of ANSI Z133.1-1994.). International Society of Arboriculture.
Chicago Style (17th ed.) CitationInternational Society of Arboriculture and Inc American National Standards Institute. American National Standard for Tree Care Operations: Pruning, Repairing, Maintaining, and Removing Trees, and Cutting Brush - Safety Requirements. Revised of ANSI Z133.1-1994. Champaign, IL: International Society of Arboriculture, 2000.
MLA (9th ed.) CitationInternational Society of Arboriculture and Inc American National Standards Institute. American National Standard for Tree Care Operations: Pruning, Repairing, Maintaining, and Removing Trees, and Cutting Brush - Safety Requirements. Revised of ANSI Z133.1-1994. International Society of Arboriculture, 2000.