Lua APA (7ú heag.)
Barnard, C. (2016). The substantive law of the EU: The four freedoms (5th ed.). Oxford University Press.
Lua i Stíl Chicago (17ú heag.)
Barnard, Catherine. The Substantive Law of the EU: The Four Freedoms. 5th ed. Oxford, United Kingdom: Oxford University Press, 2016.
Lua MLA (9ú heag.)
Barnard, Catherine. The Substantive Law of the EU: The Four Freedoms. 5th ed. Oxford University Press, 2016.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.