There's no formal structure, but here's an example... Author (if given) Date (if given) Title of programme (underline or
italicise) Version (in brackets) Form, i.e. Computer programme [in square brackets] Availability, i.e. distributor, address, order number (if given) Example Sanders, B and William, B. (2001). Java in 2 semesters. (version 2) [computer programme] Microsoft Inc. New ...