Coba jelasin Lihat pula dari John Sung dong

Misi protestan di Tiongko tahun 1807-1953

Lim, Ka-Tong. "The Life and Ministry of John Sung: Sowing Seeds of Vibrant Christianity in Asian Soil." Ph.D. Dissertation, Asbury Theological Seminary, 2009.

Smithers, Dave John Sung - Apostle of Revival, retrieved from:

Sng, Bobby E.K. In His Good Time: The Story of the Church in Singapore 1819-2002, (3rd ed.), Singapore Bible Society, Singapore 2003, pp. 172–179.

Tow, Timothy John Sung - My Teacher, Christian Life Publishers, Singapore 1985.