APA

warne s., . (1999). Let's Look At : Shapes. london: joanna lorenz.

Chicago

warne shopie, . 1999. Let's Look At : Shapes. london: joanna lorenz.

Harvard

warne s., . (1999). Let's Look At : Shapes. london: joanna lorenz.

MLA

warne shopie, . Let's Look At : Shapes. london: joanna lorenz. 1999.