APA (7e ed.) Bronvermelding

HUGHES, J. THE CHANGING CLIMATE. CAMBRIDGE UNIVERSITY PRESS.

Chicago (17e ed.) Bronvermelding

HUGHES, JON. THE CHANGING CLIMATE. NEW YORK: CAMBRIDGE UNIVERSITY PRESS.

MLA (9e ed.) Bronvermelding

HUGHES, JON. THE CHANGING CLIMATE. CAMBRIDGE UNIVERSITY PRESS.