Citazione APA

Butterfield, J., Bingham, S., & Savory, A. (2006). Holistic management handbook: Healthy land, healthy profits. Island.

Stile di citazione Chicago

Butterfield, Jody, Sam Bingham, e Allan Savory. Holistic Management Handbook: Healthy Land, Healthy Profits. Washington: Island, 2006.

Citazione MLA

Butterfield, Jody, et al. Holistic Management Handbook: Healthy Land, Healthy Profits. Island, 2006.