APA aipamena

(1972). National income and economic policy 7+8. Open Univ.Press.

Chicago Style aipamena

National Income and Economic Policy 7+8. Walton Hall: Open Univ.Press, 1972.

MLA aipamena

National Income and Economic Policy 7+8. Open Univ.Press, 1972.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.