APA

Graves E., National Center for Health Statistics U.S & National Hospital Discharge Survey U.S. (1991). Detailed diagnoses and procedures, National Hospital Discharge Survey, 1988. Hyattsville, Md: U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control, National Center for Health Statistics.

Chicago

Graves Edmund, National Center for Health Statistics U.S and National Hospital Discharge Survey U.S. 1991. Detailed diagnoses and procedures, National Hospital Discharge Survey, 1988. Hyattsville, Md: U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control, National Center for Health Statistics.

Harvard

Graves E., National Center for Health Statistics U.S and National Hospital Discharge Survey U.S. (1991). Detailed diagnoses and procedures, National Hospital Discharge Survey, 1988. Hyattsville, Md: U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control, National Center for Health Statistics.

MLA

Graves Edmund, National Center for Health Statistics U.S and National Hospital Discharge Survey U.S. Detailed diagnoses and procedures, National Hospital Discharge Survey, 1988. Hyattsville, Md: U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control, National Center for Health Statistics. 1991.