WORLD RESOURCES INSTITUTE. (1995). WORLD RESOURCES 1994-95: A GUIDE TO THE GLOBAL ENVIRONMENT. OXFORD UNIVERSITY PRESS.
Cita Chicago (17th ed.)WORLD RESOURCES INSTITUTE. WORLD RESOURCES 1994-95: A GUIDE TO THE GLOBAL ENVIRONMENT. MUMBAI: OXFORD UNIVERSITY PRESS, 1995.
Cita MLA (9th ed.)WORLD RESOURCES INSTITUTE. WORLD RESOURCES 1994-95: A GUIDE TO THE GLOBAL ENVIRONMENT. OXFORD UNIVERSITY PRESS, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.