Lua APA (7ú heag.)
Langland, W., & Sutton, P. (2014). Piers Plowman: A modern verse translation. McFarland & Company, Inc..
Lua i Stíl Chicago (17ú heag.)
Langland, William, agus Peter Sutton. Piers Plowman: A Modern Verse Translation. Jefferson, North Carolina: McFarland & Company, Inc., 2014.
Lua MLA (9ú heag.)
Langland, William, agus Peter Sutton. Piers Plowman: A Modern Verse Translation. McFarland & Company, Inc., 2014.
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