APA-ийн эшлэл(7 дахь хэвлэлт)
Ricketts, P. (2010). High-ranking widows in medieval Iceland and Yorkshire: Property, power, marriage and identity in the twelfth and thirteenth centuries. Brill.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
Ricketts, Philadelphia. High-ranking Widows in Medieval Iceland and Yorkshire: Property, Power, Marriage and Identity in the Twelfth and Thirteenth Centuries. Leiden, The Netherlands ; Boston: Brill, 2010.
MLA -ийн эшлэл (9 дэх хэвлэлт)
Ricketts, Philadelphia. High-ranking Widows in Medieval Iceland and Yorkshire: Property, Power, Marriage and Identity in the Twelfth and Thirteenth Centuries. Brill, 2010.
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