1Martha S. Hill. Panel Study of Income Dynamics: User's Guide. Sage Publications, 1991.
2J. Fitzgerald, P. Gottsehalk, R. Moffitt. An Analysis of Sample Attrition in Panel Data: The Michigan Panel Study of Income Dynamics. The Journal of Human Resources,1998.
3Seymour Sudman, Brian Wansink. Consumer Panels(2nd ed. ). American Marketing Association,2002.
4Cheng Hsiao. Analysis of Panel Data(2nd ed. ). Cambridge University Press, 2003.