Cita APA (7th ed.)
(2002). Research and development expenditure in industry 1987-2000. OECD.
Cita Chicago (17th ed.)
Research and Development Expenditure in Industry 1987-2000. Paris, Cedex, France: OECD, 2002.
Cita MLA (9th ed.)
Research and Development Expenditure in Industry 1987-2000. OECD, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.