普雷格尔 & 鲁比. (2016). 永远在一起: You're gone but you're still here. 北京少年儿童出版社.
Dyfyniad Arddull Chicago普雷格尔 and 鲁比. 永远在一起: You're Gone but You're Still Here. 北京少年儿童出版社, 2016.
Dyfyniad MLA普雷格尔 and 鲁比. 永远在一起: You're Gone but You're Still Here. 北京少年儿童出版社, 2016.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.