Lewis, G. (1995). The power of a promise kept: Life stories. Focus on the Family Pub..
Chicago-čujuhus (17. p.)Lewis, Gregg. The Power of a Promise Kept: Life Stories. Colorado Springs, Colo.: Focus on the Family Pub., 1995.
MLA-čujuhus (9. p.)Lewis, Gregg. The Power of a Promise Kept: Life Stories. Focus on the Family Pub., 1995.
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