左默 & 曾菡. (2021). 飞鸟的世界: Big book of birds. 江苏凤凰少年儿童出版社.
Dyfyniad Arddull Chicago左默 and 曾菡. 飞鸟的世界: Big Book of Birds. 江苏凤凰少年儿童出版社, 2021.
Dyfyniad MLA左默 and 曾菡. 飞鸟的世界: Big Book of Birds. 江苏凤凰少年儿童出版社, 2021.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.