APA (7. basım) Alıntı

(2021). World statistics pocketbook (2021 edition.). United Nations.

Chicago Style (17. basım) Atıf

World Statistics Pocketbook. 2021 edition. New York: United Nations, 2021.

MLA (8th ed.) Atıf

World Statistics Pocketbook. 2021 edition. United Nations, 2021.