Dyfyniad APA

KELLY, B. (1982). Economics Made Easy Bert Kelly. Brolga Books.

Dyfyniad Arddull Chicago

KELLY, Bert. Economics Made Easy Bert Kelly. Brolga Books, 1982.

Dyfyniad MLA

KELLY, Bert. Economics Made Easy Bert Kelly. Brolga Books, 1982.

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