Richards, L. (1935). The Christian's contribution to peace: A constructive approach to international relationships. Student Christian Movement Press.
Lua i Stíl Chicago (17ú heag.)Richards, Leyton. The Christian's Contribution to Peace: A Constructive Approach to International Relationships. London: Student Christian Movement Press, 1935.
Lua MLA (8ú heag.)Richards, Leyton. The Christian's Contribution to Peace: A Constructive Approach to International Relationships. Student Christian Movement Press, 1935.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.