Williams, A. (2013). Research: Improve your reading and referencing skills. HarperCollins.
Chicago Style (17th ed.) CitationWilliams, Anneli. Research: Improve Your Reading and Referencing Skills. London: HarperCollins, 2013.
MLA (8th ed.) CitationWilliams, Anneli. Research: Improve Your Reading and Referencing Skills. HarperCollins, 2013.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.