Lua APA (7ú heag.)

Samuelson. Paula & William D. Nordhaus. (2010). Economics (Nineteenth Edition.). The Mc Graw Hill.

Lua i Stíl Chicago (17ú heag.)

Samuelson. Paula agus William D. Nordhaus. Economics. Nineteenth Edition. New York: The Mc Graw Hill, 2010.

Lua MLA (9ú heag.)

Samuelson. Paula agus William D. Nordhaus. Economics. Nineteenth Edition. The Mc Graw Hill, 2010.

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