执云 & 刘素琴. (2009). 分享让你更快乐: Being more happy to share. 光明日报出版社.
Dyfyniad Arddull Chicago执云 and 刘素琴. 分享让你更快乐: Being More Happy to Share. 光明日报出版社, 2009.
Dyfyniad MLA执云 and 刘素琴. 分享让你更快乐: Being More Happy to Share. 光明日报出版社, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.