Schatz, J. (2015). Learning swift programming. Addison - wesley.
Lua i Stíl Chicago (17ú heag.)Schatz, Jacob. Learning Swift Programming. Addison - wesley, 2015.
Lua MLA (8ú heag.)Schatz, Jacob. Learning Swift Programming. Addison - wesley, 2015.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.