National Library of Wales, ebrary, Inc, & Roberts, S. E. (2011). Llawysgrif pomffred: An edition and study of Peniarth MS 259B. Brill.
Čikaški stil citiranja (17. izdanje)National Library of Wales, Inc ebrary, i Sara Elin Roberts. Llawysgrif Pomffred: An Edition and Study of Peniarth MS 259B. Boston: Brill, 2011.
MLA način citiranja (9. izdanje)National Library of Wales, et al. Llawysgrif Pomffred: An Edition and Study of Peniarth MS 259B. Brill, 2011.
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