Lincoln, K. (2008). Private Label. Kogan Page.
Lua i Stíl Chicago (17ú heag.)Lincoln, Keith. Private Label. London: Kogan Page, 2008.
Lua MLA (9ú heag.)Lincoln, Keith. Private Label. Kogan Page, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.