Wolf, J. H., Breslau, N., Ford, A. B., Ziegler, H. D., & Ward, A. (1983). Access to Medical Care of the Black Urban Elderly.

Wolf, Jacquelyn H., Naomi Breslau, Amasa B. Ford, Henry D. Ziegler, و Anna Ward. Access to Medical Care of the Black Urban Elderly. 1983.

Wolf, Jacquelyn H., et al. Access to Medical Care of the Black Urban Elderly. 1983.