Evans, M. F., & Frank, J. (1997). Zinc gluconate lozenges for treating the common cold. College of Family Physicians of Canada.
استشهاد بنمط شيكاغوEvans, M. F., و J. Frank. Zinc Gluconate Lozenges for Treating the Common Cold. College of Family Physicians of Canada, 1997.
MLA استشهادEvans, M. F., و J. Frank. Zinc Gluconate Lozenges for Treating the Common Cold. College of Family Physicians of Canada, 1997.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.