Cornwell, P. (1997). Ruth, a Portrait: The Story of Ruth Bell Graham. Guideposts.
Chicago-čujuhus (17. p.)Cornwell, Patricia. Ruth, a Portrait: The Story of Ruth Bell Graham. Carmel: Guideposts, 1997.
MLA-čujuhus (9. p.)Cornwell, Patricia. Ruth, a Portrait: The Story of Ruth Bell Graham. Guideposts, 1997.
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