Lua APA (7ú heag.)

Richardson, H. H. (1880). The Billings library: The gift to the University of Vermont of Frederick Billings. The Heliotype printing co..

Lua i Stíl Chicago (17ú heag.)

Richardson, H. H. The Billings Library: The Gift to the University of Vermont of Frederick Billings. Boston: The Heliotype printing co., 1880.

Lua MLA (8ú heag.)

Richardson, H. H. The Billings Library: The Gift to the University of Vermont of Frederick Billings. The Heliotype printing co., 1880.

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