Cauvain, Stanley P. (2003). Bread making: improving quality. Boca Raton: CRC Press. стр. 475. ISBN978-1-85573-553-8. Приступљено 8. 12. 2010. „Generally the taste of yeast itself is not detectable in bread unless the amount of yeast used is greater than 2.5% based on the weight of flour.”
J. Scott Smith; Yiu H. Hui, ур. (2004). Food processing: principles and applications. Cambridge, MA: Blackwell Pub. стр. 178. ISBN978-0-8138-1942-6. Приступљено 29. 12. 2010. „Formula—term used instead of "recipe," by the baking industry; the weight of each ingredient is determined based on the weight of flour at 100%. Formula percent—term used by the baking industry to describe the amount of each ingredient by weight for a "recipe" or formula compared to the weight of all ingredients.”
Yiu H. Hui, ур. (2007). Handbook of food products manufacturing. New York: Wiley. стр. 302. ISBN978-0-470-12524-3. Приступљено 29. 12. 2010. „True formula percent (true percent): Term used by the baking industry to describe the amount of each ingredient by weight for a "recipe" or formula compared with the total weight of all ingredients.”
Stanley P Cauvain (2009). Stanley P. Cauvain; Linda S. Young, ур. The ICC Handbook of Cereals, Flour, Dough & Product Testing: Methods and Applications. BakeTran, High Wycombe, Buckinghamshire, UK. Lancaster, Pennsylvania: DEStech Publications, Inc. стр. 69. ISBN978-1-932078-99-2. Приступљено 26. 12. 2010. „Using Cereal Testing at Mill Intake" > "The Bulk Density of Grain (Hectolitre Mass, Bushel Mass, Test Weight, Specific Weight)”
Quartermaster Corps, ур. (1939). Army baker. Washington: U.S. Government Printing Office. стр. 38—41. Training Manual No. 2100-151. Приступљено 7. 2. 2012. „The sum of the percentages of ingredients used in any dough is commonly referred to as the formula percentage (168 percent in example in b above). The sum of the weights of ingredients used in a dough is commonly referred to as formula weight (462 pounds in example in c above).”