Frend, W. H. C. (1972). Heresy and schism as social and national movements. Studies in church history, 9, 37-56. doi:10.1017/S0424208400005714
Παραπομπή σε μορφή Chicago (17η εκδ.)Frend, W. H. C. "Heresy and Schism as Social and National Movements." Studies in Church History 9 (1972): 37-56, https://doi.org/10.1017/S0424208400005714.
Παραπομπή σε μορφή MLA (9th εκδ.)Frend, W. H. C. "Heresy and Schism as Social and National Movements." Studies in Church History, vol. 9, 1972, pp. 37-56, https://doi.org/10.1017/S0424208400005714.
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