Gudnadóttir, K. G. Jóhannes Kjarval's appropriation of progressive attitudes in painting between 1917 and 1920: Kristín G. Gudnadóttir. A cultural history of the avant-garde in the Nordic countries 1900 - 1925.(2012).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Gudnadóttir, Kristín G. "Jóhannes Kjarval's Appropriation of Progressive Attitudes in Painting Between 1917 and 1920: Kristín G. Gudnadóttir." A Cultural History of the Avant-garde in the Nordic Countries 1900 - 1925.(2012) .
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Gudnadóttir, Kristín G. "Jóhannes Kjarval's Appropriation of Progressive Attitudes in Painting Between 1917 and 1920: Kristín G. Gudnadóttir." A Cultural History of the Avant-garde in the Nordic Countries 1900 - 1925.(2012), .
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