Trích dẫn 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.

Trích dẫn kiểu 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.

Trích dẫn 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.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.