APA

Berwick G., Thorne S., . (2003). Timesaver Picture Prompts. London: Scholastic.

Chicago

Berwick G, Thorne S, . 2003. Timesaver Picture Prompts. London: Scholastic.

Harvard

Berwick G., Thorne S., . (2003). Timesaver Picture Prompts. London: Scholastic.

MLA

Berwick G, Thorne S, . Timesaver Picture Prompts. London: Scholastic. 2003.