APA (7th ed.) Zitazioa

(2002). Research and development expenditure in industry 1987-2000. OECD.

Chicago Style (17th ed.) Zitazioa

Research and Development Expenditure in Industry 1987-2000. Paris, Cedex, France: OECD, 2002.

MLA (9th ed.) Zitazioa

Research and Development Expenditure in Industry 1987-2000. OECD, 2002.