Birkhoelzer, S. M., Grapsa, J., & Walsh, M. N. (2021). 2021: The Light at the End of the Tunnel? JACC Case Rep.
Citação norma ChicagoBirkhoelzer, Sarah M., Julia Grapsa, and Mary Norine Walsh. "2021: The Light At the End of the Tunnel?" JACC Case Rep 2021.
MLA引文Birkhoelzer, Sarah M., Julia Grapsa, and Mary Norine Walsh. "2021: The Light At the End of the Tunnel?" JACC Case Rep 2021.
警告:這些引文格式不一定是100%准確.