Europa, D. M. R., & Mallari, M. F. T. (2021). The effect of probiotic supplementation in the prevention of upper respiratory illness symptoms in endurance athletes: A systematic literature review. College of Human Kinetics, University of the Philippines Diliman.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Europa, Diego Marcel R., و Marla Frances T. Mallari. The Effect of Probiotic Supplementation in the Prevention of Upper Respiratory Illness Symptoms in Endurance Athletes: A Systematic Literature Review. Quezon City: College of Human Kinetics, University of the Philippines Diliman, 2021.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Europa, Diego Marcel R., و Marla Frances T. Mallari. The Effect of Probiotic Supplementation in the Prevention of Upper Respiratory Illness Symptoms in Endurance Athletes: A Systematic Literature Review. College of Human Kinetics, University of the Philippines Diliman, 2021.