Zekulich, Michael (2014). Spirit of the Swan: 180 Years of Winemaking in the Swan Valley. Midland, WA: Swan Valley and Regional Winemakers Association. ISBN 9780646923680.
Zekulich, Michael (2014). Spirit of the Swan: 180 Years of Winemaking in the Swan Valley. Midland, WA: Swan Valley and Regional Winemakers Association. ISBN 9780646923680.