Dugdale, B. E. Arthur james balfour, First earl of balfour. Hutchinson and co.
Čikaški stil citiranja (17. izdanje)Dugdale, Blanche E.C. Arthur James Balfour, First Earl of Balfour. Hutchinson and co.
MLA način citiranja (8. izdanje)Dugdale, Blanche E.C. Arthur James Balfour, First Earl of Balfour. Hutchinson and co.
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