David, P. A. (1974). Nations and households in economic growth. ELSEVIER.
Chicago Style aipamenaDavid, Paul A. Nations and Households in Economic Growth. ELSEVIER, 1974.
MLA aipamenaDavid, Paul A. Nations and Households in Economic Growth. ELSEVIER, 1974.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.