Richards, L. (1935). The Christian's contribution to peace: A constructive approach to international relationships. Student Christian Movement Press.
Chicago-viite (17. p.)Richards, Leyton. The Christian's Contribution to Peace: A Constructive Approach to International Relationships. London: Student Christian Movement Press, 1935.
MLA-viite (8. p.)Richards, Leyton. The Christian's Contribution to Peace: A Constructive Approach to International Relationships. Student Christian Movement Press, 1935.
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