Cita APA

Hunt, D., & Johnson, C. (1995). Environmental management systems: Principles and practice. London [etc.]: McGraw-Hill.

Citación estilo Chicago

Hunt, David, and Catherine Johnson. Environmental Management Systems: Principles and Practice. London [etc.]: McGraw-Hill, 1995.

Cita MLA

Hunt, David, and Catherine Johnson. Environmental Management Systems: Principles and Practice. London [etc.]: McGraw-Hill, 1995.