sentence2: ट्रिएस्ट. CollinsDictionary.com. Collins English Dictionary - Complete & Unabridged 11th Edition. (accessed: २९ सितंबर २०१२).  (पीडीएफ)
sentence1: اطلع عليه بتاريخ September 10, 2012.  Collins English Dictionary - Complete & Unabridged (الطبعة 10th).