Dyfyniad APA

Pickersgill,Garry M. (1974). Contemporary economic systems: A comparative view. West Publisher.

Dyfyniad Arddull Chicago

Pickersgill,Garry M. Contemporary Economic Systems: A Comparative View. New York: West Publisher, 1974.

Dyfyniad MLA

Pickersgill,Garry M. Contemporary Economic Systems: A Comparative View. West Publisher, 1974.

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