Langland, W., Salter, E., & Pearsall, D. (1967). Piers Plowman. Edward Arnold.
Chicagoスタイル(17版)引用形式Langland, William, Elizabeth Salter, , Derek Pearsall. Piers Plowman. London: Edward Arnold, 1967.
MLA(8版)引用形式Langland, William, et al. Piers Plowman. Edward Arnold, 1967.
警告: この引用は必ずしも正確ではありません.