Tài liệu tham khảo WikiPedia: Giáo sĩ http://www.naropa.edu/academics/graduate/madivinit... http://www.uwest.edu/site/index.php?option=com_con... http://www.wlsessays.net/subject/C/Clergy http://www.lds.org/manual/true-to-the-faith/church...