APA-ийн эшлэл(7 дахь хэвлэлт)

Thomas, D. (2009). Literal and spiritual depths: Re-thinking the "drygne seað" of Elene. University of Cambridge, Department of ASNC.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Thomas, D. Literal and Spiritual Depths: Re-thinking the "Drygne Seað" of Elene. University of Cambridge, Department of ASNC, 2009.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Thomas, D. Literal and Spiritual Depths: Re-thinking the "Drygne Seað" of Elene. University of Cambridge, Department of ASNC, 2009.