Gaya APA

926. (1). : Ladybird Book.

Gaya Chicago

926. Have a go 2b. : Ladybird Book, 1. 08/C/ING/083.

Gaya MLA

926. Have a go 2b. : Ladybird Book, 1. 08/C/ING/083.

Gaya Turabian

926. : Ladybird Book, 1. 08/C/ING/083.