Cita APA

Sheldon, C., & Yoxon, M. (1999). Installing environmental management systems: A step-by-step guide. Earthscan.

Citación estilo Chicago

Sheldon, Christopher, and Mark Yoxon. Installing Environmental Management Systems: A Step-by-step Guide. London: Earthscan, 1999.

Cita MLA

Sheldon, Christopher, and Mark Yoxon. Installing Environmental Management Systems: A Step-by-step Guide. Earthscan, 1999.

Warning: These citations may not always be 100% accurate.