无弦. (2009). D级危楼: Before gabriel's trumpet sounds. 宁夏人民出版社.
Chicago Style (17th ed.) Citation无弦. D级危楼: Before Gabriel's Trumpet Sounds. 宁夏人民出版社, 2009.
ציטוט MLA无弦. D级危楼: Before Gabriel's Trumpet Sounds. 宁夏人民出版社, 2009.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.