Παραπομπή σε μορφή APA (7η εκδ.)

Shiferaw, B., Freeman, H. A., & Swinton, S. M. (2005). Natural resources management in agriculture: Methods for assessing economic and environmental impacts. CABI.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Shiferaw, Bekele, H. Ade Freeman, και Scott M. Swinton. Natural Resources Management in Agriculture: Methods for Assessing Economic and Environmental Impacts. Wallingford: CABI, 2005.

Παραπομπή σε μορφή MLA (9th εκδ.)

Shiferaw, Bekele, et al. Natural Resources Management in Agriculture: Methods for Assessing Economic and Environmental Impacts. CABI, 2005.