Spradley, B. W. (1991). Readings in community health nursing (4th ed.). Lippincott.
Dyfyniad Arddull ChicagoSpradley, Barbara Walton. Readings in Community Health Nursing. 4th ed. New York: Lippincott, 1991.
Dyfyniad MLASpradley, Barbara Walton. Readings in Community Health Nursing. 4th ed. Lippincott, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.