Dyfyniad APA

Lewis, W. A. (1966). Development Planning: Essentials of Economic Policy. Allen & Unwin.

Dyfyniad Arddull Chicago

Lewis, W Arthur. Development Planning: Essentials of Economic Policy. London: Allen & Unwin, 1966.

Dyfyniad MLA

Lewis, W Arthur. Development Planning: Essentials of Economic Policy. Allen & Unwin, 1966.

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