1. Alm , James Carolyn Bourdeaux 2014
2. 2017 https://www.govinfo.gov/content/pkg/BUDGET-2017-PER/pdf/BUDGET-2017-PER.pdf
3. 2019 https://www.whitehouse.gov/wp-content/uploads/2018/02/spec-fy2019.pdf
4. Budgeting for Bias and Uncertainty;Bhatti;Public Budgeting & Finance,2015
5. Debt and Deception: How States Avoid Making Hard Fiscal Decisions;Bifulco;Public Administration Review,2012