APA
The International symposium on population structure and development (1987 : Tokyo), . (1988). Economic and Social implications of populatio aging. New York: United Nations.
Chicago
The International symposium on population structure and development (1987 : Tokyo), . 1988. Economic and Social implications of populatio aging. New York: United Nations.
Harvard
The International symposium on population structure and development (1987 : Tokyo), . (1988). Economic and Social implications of populatio aging. New York: United Nations.
MLA
The International symposium on population structure and development (1987 : Tokyo), . Economic and Social implications of populatio aging. New York: United Nations. 1988.
