Hữu Ngọc. (2010). Portrait of traditional Hà Nội the 1,000 year-old city of the dragon. H.: NXB. Hà nội.
シカゴスタイル引用形Hữu Ngọc. Portrait of Traditional Hà Nội the 1,000 Year-old City of the Dragon. H.: NXB. Hà nội, 2010.
MLA引用形式Hữu Ngọc. Portrait of Traditional Hà Nội the 1,000 Year-old City of the Dragon. H.: NXB. Hà nội, 2010.
警告: この引用は必ずしも正確ではありません.