Playfair. America's Founding Fruit. University Press of New England.
Lua i Stíl Chicago (17ú heag.)Playfair. America's Founding Fruit. University Press of New England.
Lua MLA (9ú heag.)Playfair. America's Founding Fruit. University Press of New England.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.