Hartzell, K. D. (1980). An English antiphoner of the ninth century? Revue bénédictine, 90(3/4), 234-248.
芝加哥风格引文Hartzell, K. D. "An English Antiphoner of the Ninth Century?" Revue Bénédictine 90, no. 3/4 (1980): 234-248.
MLA引文Hartzell, K. D. "An English Antiphoner of the Ninth Century?" Revue Bénédictine, vol. 90, no. 3/4, 1980, pp. 234-248.
警告：这些引文格式不一定是100％准确.