Wanda Luen-Wun Siu and  Xiaowen Zhang,  A Retrospective Review of Sino-US Relations: Foreign Relations Strategies of Trump and Biden.   journal   = {International Journal of Law and Political Sciences}, [online]. World Academy of Science, Engineering and Technology.
    August 2021, vol. 176(8). 705 - 710
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/10012149.