Gaya APA

921. (1). : Ladybird Book.

Gaya Chicago

921. Look at this 1b. : Ladybird Book, 1. 08/C/ING/078.

Gaya MLA

921. Look at this 1b. : Ladybird Book, 1. 08/C/ING/078.

Gaya Turabian

921. : Ladybird Book, 1. 08/C/ING/078.