APA-čujuhus (7. p.)
Barclay, W. (1957). Letters to the seven churches. SCM Press, Ltd..
Chicago-čujuhus (17. p.)
Barclay, William. Letters to the Seven Churches. London, enk: SCM Press, Ltd., 1957.
MLA-čujuhus (9. p.)
Barclay, William. Letters to the Seven Churches. SCM Press, Ltd., 1957.
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