APA aipamena

(2011). The state of World Bank knowledge services: Knowledge for development 2011. Washington DC: The World Bank (WB).

Chicago Style aipamena

The State of World Bank Knowledge Services: Knowledge for Development 2011. Washington DC: The World Bank (WB), 2011.

MLA aipamena

The State of World Bank Knowledge Services: Knowledge for Development 2011. Washington DC: The World Bank (WB), 2011.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.