Cita APA (7a ed.)

Bingham, S., & Savory, A. (1990). Holistic resource management workbook. Island.

Cita Chicago Style (17a ed.)

Bingham, Sam, y Allan Savory. Holistic Resource Management Workbook. Washington: Island, 1990.

Cita MLA (8a ed.)

Bingham, Sam, y Allan Savory. Holistic Resource Management Workbook. Island, 1990.