For more information on written business agreements, see The Watchtower, August 1, 1997, pages 30 - 1; November 15, 1986, pages 16 - 17; and Awake!, February 8, 1983, pages 13 - 15, published by Jehovah’s Witnesses.
सजग होइए! ( अँग्रेज़ी), फरवरी 8, 1983, पेज 13 - 15 भी देखिए ।