(英)朱莉·贝利著. (2017). A very busy day. 长江少年儿童出版社.
Dyfyniad Arddull Chicago(英)朱莉·贝利著. A Very Busy Day. 长江少年儿童出版社, 2017.
Dyfyniad MLA(英)朱莉·贝利著. A Very Busy Day. 长江少年儿童出版社, 2017.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.
Dyfyniad APA