APA aipamena

(1987). UNITED nations development fund for women: Oil Extraction. UNIFEM.

Chicago Style aipamena

UNITED Nations Development Fund for Women: Oil Extraction. UNIFEM, 1987.

MLA aipamena

UNITED Nations Development Fund for Women: Oil Extraction. UNIFEM, 1987.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.