Chen, R. T. (2007). AIDS Vaccine Development: Challenges and Opportunities. Centers for Disease Control and Prevention.
Citação norma ChicagoChen, Robert T. AIDS Vaccine Development: Challenges and Opportunities. Centers for Disease Control and Prevention, 2007.
MLA引文Chen, Robert T. AIDS Vaccine Development: Challenges and Opportunities. Centers for Disease Control and Prevention, 2007.
警告:這些引文格式不一定是100%准確.