Cita APA (7th ed.)

(1972). Expenditure trends in OECD countries 1960-1980. s.n.

Cita Chicago (17th ed.)

Expenditure Trends in OECD Countries 1960-1980. [Paris: s.n, 1972.

Cita MLA (9th ed.)

Expenditure Trends in OECD Countries 1960-1980. s.n, 1972.