Packer, J. (1984). Keep in step with the spirit. Inter-Varsity.
Chicago-čujuhus (17. p.)Packer, J.I. Keep in Step with the Spirit. New Jersey: Inter-Varsity, 1984.
MLA-čujuhus (9. p.)Packer, J.I. Keep in Step with the Spirit. Inter-Varsity, 1984.
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