Boulton, R. B., Boulton, R. B. 1., Boulton, R. B., & Boulton, R. B. (1996). Principles and practices of winemaking. New York London: Chapman & Hall.
Παραπομπή Chicago StyleBoulton, Roger B., Roger B. 1949- Boulton, Roger B. Boulton, and Roger B. Boulton. Principles and Practices of Winemaking. New York London: Chapman & Hall, 1996.
Παραπομπή MLABoulton, Roger B., Roger B. 1949- Boulton, Roger B. Boulton, and Roger B. Boulton. Principles and Practices of Winemaking. New York London: Chapman & Hall, 1996.
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