叶芝 & 罗池. (2018). 当你老了: When you are old. 江西人民出版社.
Dyfyniad Arddull Chicago叶芝 and 罗池. 当你老了: When You Are Old. 江西人民出版社, 2018.
Dyfyniad MLA叶芝 and 罗池. 当你老了: When You Are Old. 江西人民出版社, 2018.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.