APA

OCDE, . (1976). Regional problems and policies in OECD countries. Paris: Organisation for Economic Co-operation and Development.

Chicago

OCDE, . 1976. Regional problems and policies in OECD countries. Paris: Organisation for Economic Co-operation and Development.

Harvard

OCDE, . (1976). Regional problems and policies in OECD countries. Paris: Organisation for Economic Co-operation and Development.

MLA

OCDE, . Regional problems and policies in OECD countries. Paris: Organisation for Economic Co-operation and Development. 1976.