Citação norma APA

(1972). Problems of environmental economics; record of the Seminar held at the OECD in summer 1971. [Paris]: Organisation for Economic Co-operation and Development.

Citação norma Chicago

Problems of Environmental Economics; Record of the Seminar Held At the OECD in Summer 1971. [Paris]: Organisation for Economic Co-operation and Development, 1972.

Citação norma MLA

Problems of Environmental Economics; Record of the Seminar Held At the OECD in Summer 1971. [Paris]: Organisation for Economic Co-operation and Development, 1972.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.