| 1 | Hartmann, Kester, Davies, and Geneve, 2011. Hartmann and Kester’s Plant Propagation: Principles and Practices. Eighth edition. Prentice-Hall, Inc. Publishing, Upper Saddle, NJ. |
| 2 | -Coombe, B.G., DRY, P.R. (2004). Viticulture. Vol. 1 – Resources. 2nd edition, Winetitles, Adelaide, Austrália, chapter 1 &2. |
| 3 | Stephen Skelton, 2009.Viticulture: An Introduction to Commercial Grape Growing for Wine Production. SP Skelton Ltd |
| 4 | Michael G. Mullins, Alain Bouquet, Larry E. Williams.2007. The Biology Of The Grapevine. Cambridge University Press |