Gaya APA

927. (1). : Ladybird Book.

Gaya Chicago

927. Have a go 2b. : Ladybird Book, 1. 08/C/ING/084.

Gaya MLA

927. Have a go 2b. : Ladybird Book, 1. 08/C/ING/084.

Gaya Turabian

927. : Ladybird Book, 1. 08/C/ING/084.