Here is translation of how to give Dawah to Disbelievers from Shaikh Abdurrazaq al-‘Abbad hafidhuhallah. It is 13 points to help the Muslim in successfully calling to Islam based on the Quran and Sunnah. Inshallah it is beneficial for those who engage in Dawah:

How to call those who disbelieve to Islam

Translated by Faisal Abu Sulayman

Find more benefits from the translator here: http://darussaafi.com/