APA-referens (7:e uppl.)

Clark, N. (1956). An approach to the theology of the sacraments. SCM.

Chicago-referens (17:e uppl.)

Clark, Neville. An Approach to the Theology of the Sacraments. London: SCM, 1956.

MLA-referens (9:e uppl.)

Clark, Neville. An Approach to the Theology of the Sacraments. SCM, 1956.