APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.