Amer, W., Ashong, S., & Tiomoko, D. Management manual for UNESCO biosphere reserves in Africa: A practical guide for managers.
Chicago Style aipamenaAmer, Wafaa, Sheila Ashong, and Djafarou Tiomoko. Management Manual for UNESCO Biosphere Reserves in Africa: A Practical Guide for Managers.
MLA aipamenaAmer, Wafaa, et al. Management Manual for UNESCO Biosphere Reserves in Africa: A Practical Guide for Managers.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.