Jacob E. Safra, P. C. (2010). The new Encyclopaedia Britannica, volume 12.
Trích dẫn kiểu ChicagoJacob E. Safra, President Chicago…. The New Encyclopaedia Britannica, Volume 12. 2010.
Deismireacht MLAJacob E. Safra, President Chicago…. The New Encyclopaedia Britannica, Volume 12. 2010.
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