APA
Singer H., United Nations. Centre for Economic and Social Information and United Nations Children's Fund, . (1972). Children in the strategy of development. New York: United Nations.
Chicago
Singer Hans, United Nations. Centre for Economic and Social Information and United Nations Children's Fund, . 1972. Children in the strategy of development. New York: United Nations.
Harvard
Singer H., United Nations. Centre for Economic and Social Information and United Nations Children's Fund, . (1972). Children in the strategy of development. New York: United Nations.
MLA
Singer Hans, United Nations. Centre for Economic and Social Information and United Nations Children's Fund, . Children in the strategy of development. New York: United Nations. 1972.