| 1 | Campenalla, O.H., Bouvier, J.M. 2014. Extrusion Processing Technology. Wiley Blackwell, UK. |
| 2 | Gray, D.R., Chinnaswamy, R. 1995. Role of Extrusion in food Processing. In Food Processing: Recent Developments Ed. Gaonkar, A.G. Elsevier. |
| 3 | Dobraszczyk, B.J., Ainsworth, P., Ibanoglu, S., Bouchon, P. 2006. Baking, Extrusion and Frying. In: Food Processing Handbook. Ed: Brennan, J.G. WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim |