APA (7e ed.) Bronvermelding

Patten, C. (2008). What next?: Surviving the twenty-first century. Allen Lane.

Chicago (17e ed.) Bronvermelding

Patten, Chris. What Next?: Surviving the Twenty-first Century. London: Allen Lane, 2008.

MLA (8e ed.) Bronvermelding

Patten, Chris. What Next?: Surviving the Twenty-first Century. Allen Lane, 2008.