United States Asia Environmental Partnership, Krut, R., & Drummond, C. (1997). Global environmental management: Candid views of fortune 500 companies. USAID.
Chicago Style aipamenaUnited States Asia Environmental Partnership, Riva Krut, and Carol Drummond. Global Environmental Management: Candid Views of Fortune 500 Companies. New York: USAID, 1997.
MLA aipamenaUnited States Asia Environmental Partnership, et al. Global Environmental Management: Candid Views of Fortune 500 Companies. USAID, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.