APA-ийн эшлэл(7 дахь хэвлэлт)
Farrington, K. (2015). Brothers in arms: The unique collection of letters and photographs from two brothers at the front during the First World War. Pen & Sword Military.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
Farrington, Karen. Brothers in Arms: The Unique Collection of Letters and Photographs from Two Brothers at the Front During the First World War. Barnsley, England: Pen & Sword Military, 2015.
MLA -ийн эшлэл (9 дэх хэвлэлт)
Farrington, Karen. Brothers in Arms: The Unique Collection of Letters and Photographs from Two Brothers at the Front During the First World War. Pen & Sword Military, 2015.
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