Johnson, D. G., & Lee, R. D. (1987). Population growth and economic development: Issues and evidence. University of Wisconsin Press.
Chicago Style aipamenaJohnson, D. Gale, and Ronald Demos Lee. Population Growth and Economic Development: Issues and Evidence. Madison, Wisconsin: University of Wisconsin Press, 1987.
MLA aipamenaJohnson, D. Gale, and Ronald Demos Lee. Population Growth and Economic Development: Issues and Evidence. University of Wisconsin Press, 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.