1. Aday, Lu Ann, Ronald Anderson, and Gretchen V. Fleming (1980). Health Care in the U.S., Equitable to Whom? Beverly Hills: CA: Sage.
2. Aguirre, B. E., F. D. Wolinsky, J. Niederauer, V. Keith, and L. J. Fann (1989). “Occupational Prestige in the Health Care Delivery System.” Journal of Health and Social Behavior 30 (September): 315–329.
3. American Medical Association (1989). Socioeconomic Economic Characteristics of Medical Practice. Chicago: American Medical Association.
4. Bice, Thomas (1984). “Health Services Planning and Regulation.” In Stephen Williams and Paul Torrens (eds.), Introduction to Health Services ( 2nd edition ). New York: Wiley.
5. Conrad, Peter, and Rochelle Kern (eds.) (1986). The Sociology of Health and Illness ( 2nd ed. ). New York: St. Martin’s.