Simon, G. (1943). Book Review: Sylfeini'r Ffydd Ddoe a Heddiw.: Foundations of the Faith, Yesterday and To-Day. Theology, 46(272), 44-45. doi:10.1177/0040571X4304627208
Citazione stile Chigago Style (17a edizione)Simon, Glyn. "Book Review: Sylfeini'r Ffydd Ddoe a Heddiw.: Foundations of the Faith, Yesterday and To-Day." Theology 46, no. 272 (1943): 44-45, https://doi.org/10.1177/0040571X4304627208.
Citatione MLA (9a ed.)Simon, Glyn. "Book Review: Sylfeini'r Ffydd Ddoe a Heddiw.: Foundations of the Faith, Yesterday and To-Day." Theology, vol. 46, no. 272, 1943, pp. 44-45, https://doi.org/10.1177/0040571X4304627208.
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