Efron, B. (1981). Nonparametric estimates of standard error: The jackknife, the bootstrap and other methods. Biometrika, 68, 589-599.
2.
Hesterberg, T., Moore, D.S., Monaghan, S., Clipson, A., & Epstein, R. (2005). Bootstrap methods and permutation tests. In D. S. Moore & G. P. McCabe, Introduction to the practice of statistics (5th ed., chap. 14). New York: Freeman. Available from http://bcs.whfreeman.com/ips5e/content/cat_080/pdf/moore14.pdf