APA aipamena

KOLSTAD CHARLES D. (2000). ENVIRONMENTAL ECONOMICS. OXFORD UNIVERSITY PRESS.

Chicago Style aipamena

KOLSTAD CHARLES D. ENVIRONMENTAL ECONOMICS. NEW YORK: OXFORD UNIVERSITY PRESS, 2000.

MLA aipamena

KOLSTAD CHARLES D. ENVIRONMENTAL ECONOMICS. OXFORD UNIVERSITY PRESS, 2000.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.