(2001). Research and development expenditure in industry 1987-1999. OECD.
Chicago Style (17th ed.) CitationResearch and Development Expenditure in Industry 1987-1999. Paris, Cedex, France: OECD, 2001.
ציטוט MLAResearch and Development Expenditure in Industry 1987-1999. OECD, 2001.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.