Cita APA

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

Chicago Style Citation

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

Cita MLA

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

Atenció: Aquestes cites poden no estar 100% correctes.