APA-referens (7:e uppl.)
Williams, R. (1965). The Letters of John and James: Commentary on the three letters of John and the letter of James. Cambridge.
Chicago-referens (17:e uppl.)
Williams, R.R. The Letters of John and James: Commentary on the Three Letters of John and the Letter of James. London: Cambridge, 1965.
MLA-referens (9:e uppl.)
Williams, R.R. The Letters of John and James: Commentary on the Three Letters of John and the Letter of James. Cambridge, 1965.
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