The ministries below will either sell or request and offering for the Gospel of of John and Gospel of Romans together. I think that Bearing Precious Seed has published the John and Romans booklet in 21 languages in the past. You need to call them as they do not put the information on their website on what languages are available. They also work with other printing ministries across the USA called seedline ministries which print John and Romans together. If you are interested, you can ask Bearing Precious Seed for the addresses of the seedline ministries across the USA.
Ambassador Baptist Church Foothills Seedline Ministry
Landmark Freedom Baptist Curriculum
Mercy and Truth Ministries
World Missions Bearing Precious Seed