In order to lead a meeting or to advise the leader of a meeting (whether secular or ecclesiastical) properly, the magnum opus source book and authority is Robert's Rules of Order Newly Revised. 10th ed. revised. Edited by Sarah Corbin Robert, Henry M. Robert, III, William J. Evans, Daniel H. Honemann, Thomas J. Balch. Cambridge, MA: Perseus Books Group, 2000.
For a less technical, but highly accurate, and useful summary of RRO see Nancy Sylvester (a registered and professional parliamentarian). The Complete Idiot's Guide to Robert's Rules. Indianapolis: Alpha Books, 2004.
For more helpful sources on parliamentary procedure see the web site (and the online bookstore) of the National Association of Parliamentarians (http://parliamentarians.org).