(1987). UNITED nations development fund for women: Oil Extraction. UNIFEM.
Čikaški stil citiranja (17. izdanje)UNITED Nations Development Fund for Women: Oil Extraction. UNIFEM, 1987.
MLA način citiranja (9. izdanje)UNITED Nations Development Fund for Women: Oil Extraction. UNIFEM, 1987.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.