APA-ийн эшлэл(7 дахь хэвлэлт)

Toolis, R., & Bowles, C. R. (2017). The lost Dark Age kingdom of Rheged: The discovery of a royal stronghold at Trusty's Hill, Galloway (Digital edition.). Oxbow Books.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Toolis, Ronan, ба Christopher R. Bowles. The Lost Dark Age Kingdom of Rheged: The Discovery of a Royal Stronghold at Trusty's Hill, Galloway. Digital edition. Oxford ; Philadelphia: Oxbow Books, 2017.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Toolis, Ronan, ба Christopher R. Bowles. The Lost Dark Age Kingdom of Rheged: The Discovery of a Royal Stronghold at Trusty's Hill, Galloway. Digital edition. Oxbow Books, 2017.