The inclusion of direct page numbers of a reference will help readers locate your sources. This is useful when quotations or paraphrasing specific paragraphs is used:

Terry(1986, p.211) states “the UK does …”

or indirectly: It is said that the UK should (Terry, 1966, p.124)… Special note: exact page numbers are preceded with p. for a single page and pp. for a range of pages