APA
Ellis J. R. &. N. E. A., . (1977). Nursing : a human needs approach. Houghton Mifflin Company, Boston: .
Chicago
Ellis Janice Rider & Nowlis Elizabeth Ann, . 1977. Nursing : a human needs approach. Houghton Mifflin Company, Boston: .
Harvard
Ellis J. R. &. N. E. A., . (1977). Nursing : a human needs approach. Houghton Mifflin Company, Boston: .
MLA
Ellis Janice Rider & Nowlis Elizabeth Ann, . Nursing : a human needs approach. Houghton Mifflin Company, Boston: . 1977.