Não informado. (2012). Arboriculture & Urban Forestry. International Society of Arboriculture.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Arboriculture & Urban Forestry. Champaign, Ill: International Society of Arboriculture, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Arboriculture & Urban Forestry. International Society of Arboriculture, 2012.
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