Hanhn, D. B., Payne, W. A., & Mauer, E. (2011). Focus on health (10th ed.). New York: McGraw-Hill.
Trích dẫn kiểu ChicagoHanhn, Dale B., Wayne A. Payne, và Ellen Mauer. Focus On Health. 10th ed. New York: McGraw-Hill, 2011.
Deismireacht MLAHanhn, Dale B., Wayne A. Payne, và Ellen Mauer. Focus On Health. 10th ed. New York: McGraw-Hill, 2011.
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