APA-referens (7:e uppl.)

(2001). Research and development expenditure in industry 1987-1999. OECD.

Chicago-referens (17:e uppl.)

Research and Development Expenditure in Industry 1987-1999. Paris, Cedex, France: OECD, 2001.

MLA-referens (9:e uppl.)

Research and Development Expenditure in Industry 1987-1999. OECD, 2001.