Artis, W. W., & McMahen, G. (1961). West Brookfield Methodist Church study. Church Surveys, Boston University.
Lua i Stíl Chicago (17ú heag.)Artis, William Wayne, agus Gene McMahen. West Brookfield Methodist Church Study. Boston: Church Surveys, Boston University, 1961.
Lua MLA (8ú heag.)Artis, William Wayne, agus Gene McMahen. West Brookfield Methodist Church Study. Church Surveys, Boston University, 1961.
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