Helmholz, R. H. (2013). Baptism in the medieval canon law. Rechtsgeschichte, 21, 118-127.
芝加哥风格引文Helmholz, Richard H. "Baptism in the Medieval Canon Law." Rechtsgeschichte 21 (2013): 118-127.
MLA引文Helmholz, Richard H. "Baptism in the Medieval Canon Law." Rechtsgeschichte, vol. 21, 2013, pp. 118-127.
警告：这些引文格式不一定是100％准确.