Lua APA (7ú heag.)

(2000). Basic science and technology statistics (1999 edition.). OECD.

Lua i Stíl Chicago (17ú heag.)

Basic Science and Technology Statistics. 1999 edition. Paris, Cedex, France: OECD, 2000.

Lua MLA (9ú heag.)

Basic Science and Technology Statistics. 1999 edition. OECD, 2000.

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