Harvard University. Laboratory for Computer Graphics and Spatial Analysis. SYMPAP user's reference manual. The Laboratory.
Lua i Stíl Chicago (17ú heag.)Harvard University. Laboratory for Computer Graphics and Spatial Analysis. SYMPAP User's Reference Manual. [s.l.]: The Laboratory.
Lua MLA (9ú heag.)Harvard University. Laboratory for Computer Graphics and Spatial Analysis. SYMPAP User's Reference Manual. The Laboratory.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.