Dyfyniad APA

Robinson, E. (1958). Structure of competitive industry. James Nisbet and company.

Dyfyniad Arddull Chicago

Robinson, E.A.G. Structure of Competitive Industry. Cambridge: James Nisbet and company, 1958.

Dyfyniad MLA

Robinson, E.A.G. Structure of Competitive Industry. James Nisbet and company, 1958.

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