20 There is another rich source of effective illustrations  - The Watchtower, Awake!, and other literature produced by Jehovah's Witnesses.
20 Kuneminye imithombo ecebile yemifanekiso ephumelelayo - INqabayokulinda, i-Phaphama!, nezinye izincwadi ezinyatheliswa oFakazi BakaJehova.