Dyfyniad APA

Harbury, C. (1971). Introduction to economic behaviour. Collins Sons & Co. Ltd.

Dyfyniad Arddull Chicago

Harbury, C.D. Introduction to Economic Behaviour. London: Collins Sons & Co. Ltd, 1971.

Dyfyniad MLA

Harbury, C.D. Introduction to Economic Behaviour. Collins Sons & Co. Ltd, 1971.

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