References to verse 18:8

BookReference
Ahmadiyyat or the True Islam 40 Al-Kahf, 18:8.
Allah The Exalted 4 al-Kahf, 18:8 [Publisher]
Barahin-e-Ahmadiyya Part III 31 Surah al-Kahf, 18:8 [Publisher]
The Essence of Islam – Volume I 61 al-Kahf, 18:8 [Publisher]