杨永青 & 陈秋影. (2016). 杭州绸伞: Hangzhou silk umbrellas. 朝华出版社.
Chicago Style (17th ed.) Citation杨永青 and 陈秋影. 杭州绸伞: Hangzhou Silk Umbrellas. 朝华出版社, 2016.
MLA (8th ed.) Citation杨永青 and 陈秋影. 杭州绸伞: Hangzhou Silk Umbrellas. 朝华出版社, 2016.
Warning: These citations may not always be 100% accurate.