Barrow, C. J. (1999). Environmental management: Principles and practice. Routledge.
Citazione stile Chigago Style (17a edizione)Barrow, C. J. Environmental Management: Principles and Practice. London: Routledge, 1999.
Citatione MLA (9a ed.)Barrow, C. J. Environmental Management: Principles and Practice. Routledge, 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.