Guido, M., & Welch, M. (1999). The Glass Beads of Anglo-Saxon England. Society of Antiquaries of London.
Chicago Style (17. basım) AtıfGuido, Margaret, ve Martin Welch. The Glass Beads of Anglo-Saxon England. London: Society of Antiquaries of London, 1999.
MLA (9th ed.) AtıfGuido, Margaret, ve Martin Welch. The Glass Beads of Anglo-Saxon England. Society of Antiquaries of London, 1999.
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