Tohutoro APA (7th ed.)

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

Tohutoru Kātū Chicago (17th ed.)

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

Tohutoro MLA (9th ed.)

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