无弦. (2009). D级危楼: Before gabriel's trumpet sounds. 宁夏人民出版社.
Dyfyniad Arddull Chicago无弦. D级危楼: Before Gabriel's Trumpet Sounds. 宁夏人民出版社, 2009.
Dyfyniad MLA无弦. D级危楼: Before Gabriel's Trumpet Sounds. 宁夏人民出版社, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.