Helvie, C. O. (1981). Community health nursing: Theory and Process. Harper & Row.
芝加哥风格引文Helvie, Carl O. Community Health Nursing: Theory and Process. Philadelphia: Harper & Row, 1981.
MLA引文Helvie, Carl O. Community Health Nursing: Theory and Process. Harper & Row, 1981.
警告：这些引文格式不一定是100％准确.