Sharing Your Christian Testimony

New Mexico State University has this helpful guide.
http://web.nmsu.edu/~moretime/pdf/Personal.Testimony.How.To.Share.pdf 

CRU on sharing your testimony

https://www.cru.org/train-and-grow/share-the-gospel/evangelism-principles/preparing-your-personal-testimony.html

GotQuestions.org on "What Is a Christian Testimony"

http://www.gotquestions.org/Christian-testimony.html