Birch, B. C. (1985). What does the Lord require?: The Old Testament call to social witness. Westminster.
Lua i Stíl Chicago (17ú heag.)Birch, Bruce C. What Does the Lord Require?: The Old Testament Call to Social Witness. Philadelphia: Westminster, 1985.
Lua MLA (9ú heag.)Birch, Bruce C. What Does the Lord Require?: The Old Testament Call to Social Witness. Westminster, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.