APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.