1. Anonymous, 1961. Plant Protection Order Section 8 part 10, A subsidiary Legislation to Plant Protection Act (Cap 324) of the Laws of Kenya.
2. Anonymous, 2000. Council Directive 2000/29/EC of 8 May 2000 on protective measures against the introduction into the Community of organisms harmful to plants or plant products and against their spread within the Community.
3. Anonymous, 2002. Commission Decision of 8 November 2002 authorising derogations from certain provisions of Council Directive 2000/29/EC in respect of naturally or artificially dwarfed plants of Chamaecyparis Spach, Juniperus L. and Pinus L., originating in Japan (2002/887/EC).
4. Anonymous, 2007. The Directory of Imported Plant Quarantine Pests of the People's Republic of China. The Ministry of Agriculture Bulletin No. 862 of the People's Republic of China (in Chinese).
5. Psa – Pathway Tracing Report;Anonymous,2011