Lua APA (7ú heag.)

Northup, C. S. (1970). A bibliography of Thomas Gray. Russell & Russell.

Lua i Stíl Chicago (17ú heag.)

Northup, Clark Sutherland. A Bibliography of Thomas Gray. New York: Russell & Russell, 1970.

Lua MLA (9ú heag.)

Northup, Clark Sutherland. A Bibliography of Thomas Gray. Russell & Russell, 1970.

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