APA-čujuhus (7. p.)
Duggan, A. L. (1963). The story of the Crusades, 1097-1291: With drawings. Pantheon Books.
Chicago-čujuhus (17. p.)
Duggan, Alfred Leo. The Story of the Crusades, 1097-1291: With Drawings. New York: Pantheon Books, 1963.
MLA-čujuhus (9. p.)
Duggan, Alfred Leo. The Story of the Crusades, 1097-1291: With Drawings. Pantheon Books, 1963.
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