Cita APA (7th ed.)
United Nations University. (1990). Global environmental change: Human and policy dimensions. Butterworth-Heinemann.
Cita Chicago (17th ed.)
United Nations University. Global Environmental Change: Human and Policy Dimensions. Guildford, Surrey, UK: Butterworth-Heinemann, 1990.
Cita MLA (9th ed.)
United Nations University. Global Environmental Change: Human and Policy Dimensions. Butterworth-Heinemann, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.