APA استشهاد

Porterfield, J. D. (1966). Community health: Its needs and resources. New York: Basic Books.

استشهاد بنمط شيكاغو

Porterfield, John D. Community Health: Its Needs and Resources. New York: Basic Books, 1966.

MLA استشهاد

Porterfield, John D. Community Health: Its Needs and Resources. New York: Basic Books, 1966.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.