Lee, P. N., & Wilson, M. J. (1976). Statistics of smoking in the United Kingdom (7th ed.). Tobacco Research Council.
Lua i Stíl Chicago (17ú heag.)Lee, P. N., agus M. J. Wilson. Statistics of Smoking in the United Kingdom. 7th ed. London: Tobacco Research Council, 1976.
Lua MLA (8ú heag.)Lee, P. N., agus M. J. Wilson. Statistics of Smoking in the United Kingdom. 7th ed. Tobacco Research Council, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.