APA

International Council of Scientific Unions, World Meteriological Organisation, United Nations Educational Scientific and Cultural Organisation, Food and Agriculture Organisation of the United Nations & United Nations Environment Programme. (1996). Global Terrestrial Observing system (GTOs): turning a sound concept into a practical reality. Nairobi: United Nations Environment Programme.

Chicago

International Council of Scientific Unions, World Meteriological Organisation, United Nations Educational Scientific and Cultural Organisation, Food and Agriculture Organisation of the United Nations and United Nations Environment Programme. 1996. Global Terrestrial Observing system (GTOs): turning a sound concept into a practical reality. Nairobi: United Nations Environment Programme.

Harvard

International Council of Scientific Unions, World Meteriological Organisation, United Nations Educational Scientific and Cultural Organisation, Food and Agriculture Organisation of the United Nations and United Nations Environment Programme. (1996). Global Terrestrial Observing system (GTOs): turning a sound concept into a practical reality. Nairobi: United Nations Environment Programme.

MLA

International Council of Scientific Unions, World Meteriological Organisation, United Nations Educational Scientific and Cultural Organisation, Food and Agriculture Organisation of the United Nations and United Nations Environment Programme. Global Terrestrial Observing system (GTOs): turning a sound concept into a practical reality. Nairobi: United Nations Environment Programme. 1996.