APA citiranje

Tolley, G. S. (1985). The economics of R and D policy. NewYork: Preager.

Trích dẫn kiểu Chicago

Tolley, George S. The Economics of R and D Policy. NewYork: Preager, 1985.

MLA citiranje

Tolley, George S. The Economics of R and D Policy. NewYork: Preager, 1985.

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