Laird, J. (1923). Abstract of a paper on Ulster philosophers.
Lua i Stíl Chicago (17ú heag.)Laird, John. Abstract of a Paper on Ulster Philosophers. 1923.
Lua MLA (9ú heag.)Laird, John. Abstract of a Paper on Ulster Philosophers. 1923.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
