APA (7. basım) Alıntı

United Nations Development Programme. (1981). Promises to keep. UNDP.

Chicago Style (17. basım) Atıf

United Nations Development Programme. Promises to Keep. [S.l.]: UNDP, 1981.

MLA (8th ed.) Atıf

United Nations Development Programme. Promises to Keep. UNDP, 1981.