APA
Leontief W C. A. P. P. P., . (1972). The future of the world economy : a United Nations study. New York: Oxford University Press.
Chicago
Leontief W Carter A P Petri P.A, . 1972. The future of the world economy : a United Nations study. New York: Oxford University Press.
Harvard
Leontief W C. A. P. P. P., . (1972). The future of the world economy : a United Nations study. New York: Oxford University Press.
MLA
Leontief W Carter A P Petri P.A, . The future of the world economy : a United Nations study. New York: Oxford University Press. 1972.