Watson, D. (1976). I believe in evangelism. Eerdmans.
Cita Chicago (17th ed.)Watson, David. I Believe in Evangelism. Grand Rapids: Eerdmans, 1976.
Cita MLA (9th ed.)Watson, David. I Believe in Evangelism. Eerdmans, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.