Porterfield, J. D. (1966). Community health: Its needs and resources. New York: Basic Books.
استشهاد بنمط شيكاغوPorterfield, John D. Community Health: Its Needs and Resources. New York: Basic Books, 1966.
MLA استشهادPorterfield, John D. Community Health: Its Needs and Resources. New York: Basic Books, 1966.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.