APA

Barbano J., Checker A., Graham D. & National Center for Health Statistics (U.S.). (1982). Characteristics of registered nurses, 1972 and 1977-78. Hyattsville, Md: U.S. Department of Health and Human Services, Public Health Service, National Center for Health Statistics.

Chicago

Barbano Joseph, Checker Armand, Graham Dorothy and National Center for Health Statistics (U.S.). 1982. Characteristics of registered nurses, 1972 and 1977-78. Hyattsville, Md: U.S. Department of Health and Human Services, Public Health Service, National Center for Health Statistics.

Harvard

Barbano J., Checker A., Graham D. and National Center for Health Statistics (U.S.). (1982). Characteristics of registered nurses, 1972 and 1977-78. Hyattsville, Md: U.S. Department of Health and Human Services, Public Health Service, National Center for Health Statistics.

MLA

Barbano Joseph, Checker Armand, Graham Dorothy and National Center for Health Statistics (U.S.). Characteristics of registered nurses, 1972 and 1977-78. Hyattsville, Md: U.S. Department of Health and Human Services, Public Health Service, National Center for Health Statistics. 1982.