Artis, W. W., & Stotts, H. E. (1959). A study of the First Parish Unitarian, Bedford, Massachusetts. Church Surveys, Boston University.
Lua i Stíl Chicago (17ú heag.)Artis, William Wayne, agus Herbert E. Stotts. A Study of the First Parish Unitarian, Bedford, Massachusetts. Boston: Church Surveys, Boston University, 1959.
Lua MLA (8ú heag.)Artis, William Wayne, agus Herbert E. Stotts. A Study of the First Parish Unitarian, Bedford, Massachusetts. Church Surveys, Boston University, 1959.
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