APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.