Lua APA (7ú heag.)

Barr, N. (2012). Economics of the Welfare State (5th.). Oxford.

Lua i Stíl Chicago (17ú heag.)

Barr, Nicholas. Economics of the Welfare State. 5th. UK: Oxford, 2012.

Lua MLA (9ú heag.)

Barr, Nicholas. Economics of the Welfare State. 5th. Oxford, 2012.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.