Koch, R. N. (1992). Speaking the truth in love: How to be an assertive Christian. Stephen Ministries.
Chicago-čujuhus (17. p.)Koch, Ruth N. Speaking the Truth in Love: How to Be an Assertive Christian. St. Louis: Stephen Ministries, 1992.
MLA-čujuhus (9. p.)Koch, Ruth N. Speaking the Truth in Love: How to Be an Assertive Christian. Stephen Ministries, 1992.
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