How to extract all attributes of the following using xpath?

How to extract all attributes of the following using xpath?

References

Reference NO 1

http://stackoverflow.com/questions/4835891/how-to-extract-attributes-value-through-xpath

Reference NO 2

http://stackoverflow.com/questions/2460592/xpath-how-to-get-all-the-attribute-names-and-values-of-an-element

Reference NO 3

http://p2p.wrox.com/xml/43717-extract-attribute-value-xpath.html

Reference NO 4

http://docs.oracle.com/cd/E20591_01/doc.652/e20330/xpath.htm

Reference NO 5

http://social.msdn.microsoft.com/Forums/en-US/ec6f11f6-74d2-47ed-b79b-402540ffe1fb/action?threadDisplayName=how-to-extract-attribute-using-xpath

Reference NO 6

http://support.apigee.com/apigee/topics/how_to_dynamically_build_a_xpath_query_in_extractvariablespolicy

Reference NO 7

http://extract-web-data.com/xpath-review/

Reference NO 8

http://doc.scrapy.org/en/latest/topics/selectors.html