Rothernberg. J & Heggie, G. I. (1947). Management of Water Quality and the Environment. Macmillan.
Chicago Edition CitationRothernberg. J i G. Ian Heggie. Management of Water Quality and the Environment. London: Macmillan, 1947.
Cita MLARothernberg. J i G. Ian Heggie. Management of Water Quality and the Environment. Macmillan, 1947.
Atenció: Aquestes cites poden no estar 100% correctes.