Ethgen, O., Baron-Papillon, F., & Cornier, M. (2016). How much money is spent on vaccines across Western European countries? Hum Vaccin Immunother.
استشهاد بنمط شيكاغوEthgen, Olivier, Florence Baron-Papillon, و Murielle Cornier. "How Much Money Is Spent On Vaccines Across Western European Countries?" Hum Vaccin Immunother 2016.
MLA استشهادEthgen, Olivier, Florence Baron-Papillon, و Murielle Cornier. "How Much Money Is Spent On Vaccines Across Western European Countries?" Hum Vaccin Immunother 2016.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.