Williams-Ellis, C. Cottage Building in Cob, Pisé, Chalk and Clay: A Renaissance (2nd edition).
Chicago (17e ed.) BronvermeldingWilliams-Ellis, Clough. Cottage Building in Cob, Pisé, Chalk and Clay: A Renaissance (2nd Edition).
MLA (9e ed.) BronvermeldingWilliams-Ellis, Clough. Cottage Building in Cob, Pisé, Chalk and Clay: A Renaissance (2nd Edition).
Let op: Deze citaties zijn niet altijd 100% accuraat.