Dyfyniad APA

Petchko, K. (2018). How to Write About Economics and Public Policy. ELSEVIER.

Dyfyniad Arddull Chicago

Petchko, Katerina. How to Write About Economics and Public Policy. ELSEVIER, 2018.

Dyfyniad MLA

Petchko, Katerina. How to Write About Economics and Public Policy. ELSEVIER, 2018.

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