(1987). UNITED nations development fund for women: Oil Extraction. UNIFEM.
Citazione stile Chigago Style (17a edizione)UNITED Nations Development Fund for Women: Oil Extraction. UNIFEM, 1987.
Citatione MLA (9a ed.)UNITED Nations Development Fund for Women: Oil Extraction. UNIFEM, 1987.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.