Greenhalgh, C. (1990). Innovation and Trade Performance in the United Kingdom.
Cita Chicago (17th ed.)Greenhalgh, C. Innovation and Trade Performance in the United Kingdom. 1990.
Cita MLA (9th ed.)Greenhalgh, C. Innovation and Trade Performance in the United Kingdom. 1990.
Atenció: Aquestes cites poden no estar 100% correctes.