APA
Organisation for economic co-operation and development, Organisation for economic co-operation and development, . (1972). Expenditure trends in OECD countries, 1960-80. Paris: OECD.
Chicago
Organisation for economic co-operation and development, Organisation for economic co-operation and development, . 1972. Expenditure trends in OECD countries, 1960-80. Paris: OECD.
Harvard
Organisation for economic co-operation and development, Organisation for economic co-operation and development, . (1972). Expenditure trends in OECD countries, 1960-80. Paris: OECD.
MLA
Organisation for economic co-operation and development, Organisation for economic co-operation and development, . Expenditure trends in OECD countries, 1960-80. Paris: OECD. 1972.
