Richard; Stone, G. (1961). National income and expenditure.
Chicago-stil citatRichard; Stone, Giovanna. National Income and Expenditure. Bowes & Bowes, London, 1961.
MLA-referensRichard; Stone, Giovanna. National Income and Expenditure. 1961.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.