Cita APA (7a ed.)

Ranby, P. (2012). Clever - Social sciences (First published 2012.). Macmillan Education.

Cita Chicago Style (17a ed.)

Ranby, Peter. Clever - Social Sciences. First published 2012. Gauteng, South Africa: Macmillan Education, 2012.

Cita MLA (9a ed.)

Ranby, Peter. Clever - Social Sciences. First published 2012. Macmillan Education, 2012.