Tohutoro APA (7th ed.)

World Bank. (2015). World development indicators 2015. World Bank Group.

Tohutoru Kātū Chicago (17th ed.)

World Bank. World Development Indicators 2015. Washington, District of Columbia: World Bank Group, 2015.

Tohutoro MLA (9th ed.)

World Bank. World Development Indicators 2015. World Bank Group, 2015.