Martineau, J. (1858). Studies of Christianity: Or, Timely thoughts for religious thinkers : a series of papers (9th ed.). American Unitarian Association.
Lua i Stíl Chicago (17ú heag.)Martineau, James. Studies of Christianity: Or, Timely Thoughts for Religious Thinkers : A Series of Papers. 9th ed. Boston: American Unitarian Association, 1858.
Lua MLA (8ú heag.)Martineau, James. Studies of Christianity: Or, Timely Thoughts for Religious Thinkers : A Series of Papers. 9th ed. American Unitarian Association, 1858.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.