APA
United Nations Childern's Fund, . (1990). State of the world's children 1990. New Delhi: United Nations Children's Fund.
Chicago
United Nations Childern's Fund, . 1990. State of the world's children 1990. New Delhi: United Nations Children's Fund.
Harvard
United Nations Childern's Fund, . (1990). State of the world's children 1990. New Delhi: United Nations Children's Fund.
MLA
United Nations Childern's Fund, . State of the world's children 1990. New Delhi: United Nations Children's Fund. 1990.