Bibliography
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Creative Homeowner. Smart Guide: Pruning. Upper Saddle River, New Jersey: Federal Marketing Corporation, 2009.
Hicks, Ivan and Rosenfeld, Richard. Tricks With Trees: Growing, Manipulating and Pruning. London, United Kingdom: Pavilion Books, 2007.
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American National Standards Institute. www.ansi.org.
“How to Prune Trees and Bushes.” www.gardening-resources.co.uk/How_to_prune_trees_and_bushes.php.
“How to Make Your Own Topiary.” www.gardeningknowhow.com/gardening-how-to/how-to-make-your-own-topiary.htm.