APA-čujuhus (7. p.)
Robson, M. J. P. (2012). The cambridge companion to Francis of Assisi. Cambridge University Press.
Chicago-čujuhus (17. p.)
Robson, Michael J. P. The Cambridge Companion to Francis of Assisi. Cambridge: Cambridge University Press, 2012.
MLA-čujuhus (9. p.)
Robson, Michael J. P. The Cambridge Companion to Francis of Assisi. Cambridge University Press, 2012.
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