APA aipamena

Richard; Stone, G. (1961). National income and expenditure.

Chicago Style aipamena

Richard; Stone, Giovanna. National Income and Expenditure. Bowes & Bowes, London, 1961.

MLA aipamena

Richard; Stone, Giovanna. National Income and Expenditure. 1961.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.