Paris, S. Manipulate PDFs using preview. Mac life.
Lua i Stíl Chicago (17ú heag.)Paris, Steve. "Manipulate PDFs Using Preview." Mac Life .
Lua MLA (9ú heag.)Paris, Steve. "Manipulate PDFs Using Preview." Mac Life, .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.