Birkhoelzer, S. M., Grapsa, J., & Walsh, M. N. (2021). 2021: The Light at the End of the Tunnel? JACC Case Rep.
استشهاد بنمط شيكاغوBirkhoelzer, Sarah M., Julia Grapsa, و Mary Norine Walsh. "2021: The Light At the End of the Tunnel?" JACC Case Rep 2021.
MLA استشهادBirkhoelzer, Sarah M., Julia Grapsa, و Mary Norine Walsh. "2021: The Light At the End of the Tunnel?" JACC Case Rep 2021.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.