Campbell, R. J. (1904). Sermons to young men. S.C. Brown, Langham & Co..
Lua i Stíl Chicago (17ú heag.)Campbell, R. J. Sermons to Young Men. London: S.C. Brown, Langham & Co., 1904.
Lua MLA (8ú heag.)Campbell, R. J. Sermons to Young Men. S.C. Brown, Langham & Co., 1904.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.