Cipolla, C. M. (1967). The economic history of world population (Fourth edition.). Penguin Books.
Chicago-viite (17. p.)Cipolla, Carlo M. The Economic History of World Population. Fourth edition. Harmondsworth: Penguin Books, 1967.
MLA-viite (8. p.)Cipolla, Carlo M. The Economic History of World Population. Fourth edition. Penguin Books, 1967.
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