The basics of a reference list entry for a company report:
Example:
BHP Billiton. (2011). BHP Billiton Exploration and Development Report for the year ended 30 June 2011. Retrieved from http://www.bhpbilliton.com/home/investors/reports/Pages/default.aspx
(Sumitomo Mitsui Banking Corporation, 2001)
Sumitomo Mitsui Banking Corporation. (2001). Annual report 2001. Tokyo, Japan: Author.
Productivity Commission. (2002). Review of automotive assistance (Inquiry Report No. 25). Canberra, ACT: Author.
(BHP Billiton, 2011)
BHP Billiton. (2011). BHP Billiton Exploration and Development Report for the year ended 30 June 2011. Retrieved from http://www.bhpbilliton.com/home/investors/reports/Pages/ default.aspx
(Datastream, 2011)
Datastream. (2011). S&PASX200 daily index data 2009-2010. Retrieved from Datastream.