APA

United Nations Population Fund, UN Conference on Environment and Development (1992 : Rio de Janeiro B., International Conference on Population and Development (1994 : Cairo) & Agenda 21 (1992). (1997). Population and sustainable development : 5 years after Rio. New York: UNFPA.

Chicago

United Nations Population Fund, UN Conference on Environment and Development (1992 : Rio de Janeiro Brazil), International Conference on Population and Development (1994 : Cairo) and Agenda 21 (1992). 1997. Population and sustainable development : 5 years after Rio. New York: UNFPA.

Harvard

United Nations Population Fund, UN Conference on Environment and Development (1992 : Rio de Janeiro B., International Conference on Population and Development (1994 : Cairo) and Agenda 21 (1992). (1997). Population and sustainable development : 5 years after Rio. New York: UNFPA.

MLA

United Nations Population Fund, UN Conference on Environment and Development (1992 : Rio de Janeiro Brazil), International Conference on Population and Development (1994 : Cairo) and Agenda 21 (1992). Population and sustainable development : 5 years after Rio. New York: UNFPA. 1997.