徐步. (2021). 国际形势和中国外交蓝皮书: International situation and China's foreign affairs. 世界知识出版社.
Chicago Style (17th ed.) Citation徐步. 国际形势和中国外交蓝皮书: International Situation and China's Foreign Affairs. 世界知识出版社, 2021.
Cita MLA徐步. 国际形势和中国外交蓝皮书: International Situation and China's Foreign Affairs. 世界知识出版社, 2021.
Atenció: Aquestes cites poden no estar 100% correctes.