APA

Blackstone S., Mockford C., . (2003). CLEO'S colour book. Cairo: Elias Modern Publishing.

Chicago

Blackstone Stella, Mockford Caroline, . 2003. CLEO'S colour book. Cairo: Elias Modern Publishing.

Harvard

Blackstone S., Mockford C., . (2003). CLEO'S colour book. Cairo: Elias Modern Publishing.

MLA

Blackstone Stella, Mockford Caroline, . CLEO'S colour book. Cairo: Elias Modern Publishing. 2003.