APA-čujuhus (7. p.)
Smith, H. W. (1952). The Christian's secret of a happy life. Revell.
Chicago-čujuhus (17. p.)
Smith, Hannah Whitall. The Christian's Secret of a Happy Life. Westwood, N.J: Revell, 1952.
MLA-čujuhus (9. p.)
Smith, Hannah Whitall. The Christian's Secret of a Happy Life. Revell, 1952.
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