许常德. (2011). 中年男人地下手记: Secret notes from middle-aged man. 湖南文艺出版社.
Dyfyniad Arddull Chicago许常德. 中年男人地下手记: Secret Notes from Middle-aged Man. 湖南文艺出版社, 2011.
Dyfyniad MLA许常德. 中年男人地下手记: Secret Notes from Middle-aged Man. 湖南文艺出版社, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.