DeWitt, C. B. (1991). The environment and the christian: What does the New Testament say about the environment? Baker Book House.
Chicago-referens (17:e uppl.)DeWitt, Calvin B. The Environment and the Christian: What Does the New Testament Say About the Environment? Michigan: Baker Book House, 1991.
MLA-referens (9:e uppl.)DeWitt, Calvin B. The Environment and the Christian: What Does the New Testament Say About the Environment? Baker Book House, 1991.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.