APA-referens (7:e uppl.)

Lum, A. (1971). Responsible evangelism ([Rev. ed.].). The Way Press.

Chicago-referens (17:e uppl.)

Lum, Ada. Responsible Evangelism. [Rev. ed.]. Singapore: The Way Press, 1971.

MLA-referens (8:e uppl.)

Lum, Ada. Responsible Evangelism. [Rev. ed.]. The Way Press, 1971.