APA (7th ed.) Citation

Não informado. World population year bulletin. World Federation of United Nations Associations.

Chicago Style (17th ed.) Citation

Não informado. World Population Year Bulletin. Geneva, Suíça: World Federation of United Nations Associations.

MLA (8th ed.) Citation

Não informado. World Population Year Bulletin. World Federation of United Nations Associations.

Warning: These citations may not always be 100% accurate.