APA-viite (7. p.)
(2021). Late Quaternary Landscape Evolution of the Swale-Ure Washlands, North Yorkshire. Historic England.
Chicago-viite (17. p.)
Late Quaternary Landscape Evolution of the Swale-Ure Washlands, North Yorkshire. Historic England, 2021.
MLA-viite (9. p.)
Late Quaternary Landscape Evolution of the Swale-Ure Washlands, North Yorkshire. Historic England, 2021.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.