Allen, R. J. (1992). Preaching the topical sermon. Westminster/John Knox Press.
Lua i Stíl Chicago (17ú heag.)Allen, Ronald J. Preaching the Topical Sermon. Louisville, Ky.: Westminster/John Knox Press, 1992.
Lua MLA (8ú heag.)Allen, Ronald J. Preaching the Topical Sermon. Westminster/John Knox Press, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.