Dyfyniad APA

Written by Jill Eggleton. (2018). Bob and Billy. 长江少年儿童出版社.

Dyfyniad Arddull Chicago

Written by Jill Eggleton. Bob and Billy. 长江少年儿童出版社, 2018.

Dyfyniad MLA

Written by Jill Eggleton. Bob and Billy. 长江少年儿童出版社, 2018.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.