APA aipamena

Shiferaw, B., Freeman, H. A., & Swinton, S. M. (2005). Natural resources management in agriculture. CABI Pub..

Chicago Style aipamena

Shiferaw, Bekele, H. Ade Freeman, and Scott M. Swinton. Natural Resources Management in Agriculture. Wallingford, Oxfordshire, UK ; Cambridge, MA, USA: CABI Pub., 2005.

MLA aipamena

Shiferaw, Bekele, et al. Natural Resources Management in Agriculture. CABI Pub., 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.