Lua APA (7ú heag.)

(2004). Highlights From the Trends in International Mathematics & Science Study: TIMSS 2003. U.S. Department of Education.

Lua i Stíl Chicago (17ú heag.)

Highlights From the Trends in International Mathematics & Science Study: TIMSS 2003. U.S. Department of Education, 2004.

Lua MLA (9ú heag.)

Highlights From the Trends in International Mathematics & Science Study: TIMSS 2003. U.S. Department of Education, 2004.

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