采夕 & 陈致国. (2019). 难过三分钟: Sad for three minutes. 中国少年儿童出版社.
Dyfyniad Arddull Chicago采夕 and 陈致国. 难过三分钟: Sad for Three Minutes. 中国少年儿童出版社, 2019.
Dyfyniad MLA采夕 and 陈致国. 难过三分钟: Sad for Three Minutes. 中国少年儿童出版社, 2019.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.