Cruz, E. S. (2021). The state of vaccines. IN Breakthrough [column]. Philippine Star.
Chicagoスタイル(17版)引用形式Cruz, Elfren S. "The State of Vaccines. IN Breakthrough [column]." Philippine Star 2021.
MLA(9版)引用形式Cruz, Elfren S. "The State of Vaccines. IN Breakthrough [column]." Philippine Star, 2021.
警告: この引用は必ずしも正確ではありません.