APA
Fothergill L., Nielsen O., . (1988). Methods for improving the sound insulation between converted flats. Garston,Watford: Building Research Establishment.
Chicago
Fothergill L.C, Nielsen O.S, . 1988. Methods for improving the sound insulation between converted flats. Garston,Watford: Building Research Establishment.
Harvard
Fothergill L., Nielsen O., . (1988). Methods for improving the sound insulation between converted flats. Garston,Watford: Building Research Establishment.
MLA
Fothergill L.C, Nielsen O.S, . Methods for improving the sound insulation between converted flats. Garston,Watford: Building Research Establishment. 1988.