Dyfyniad APA

organization for economic cooperation. (1971). .organization for economic cooperation and development. organization for economic cooperation.

Dyfyniad Arddull Chicago

organization for economic cooperation. .organization for Economic Cooperation and Development. Organization for Economic Cooperation. 1st.ed | .Paris, 1971.

Dyfyniad MLA

organization for economic cooperation. .organization for Economic Cooperation and Development. Organization for Economic Cooperation. 1971.

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