CLIVIO, Carlotta. Neither for, nor against Mao: PCI-CCP interactions and the normalisation of Sino-Italian Relations, 1966–71. S. 383. Cold War History [online]. [cit. 2022-10-24]. S. 383. DOI10.1080/14682745.2018.1529758.
google.cz
books.google.cz
LEUNG, Cynthia; RUAN, Jiening. Perspectives on Teaching and Learning Chinese Literacy in China. [s.l.]: Springer Netherlands, 2012. Dostupné online. ISBN978-94-007-4821-7. S. 52.
Lawrence R. Sullivan. Historical Dictionary of the People's Republic of China. [s.l.]: [s.n.], 2007. Dostupné online. ISBN978-0-8108-6443-6. S. 420.
Odd Arne Westad; Sophie Quinn-Judge. The Third Indochina War: Conflict Between China, Vietnam and Cambodia, 1972-7. Londýn: [s.n.], 2006. Dostupné online. ISBN978-1-134-16776-0. S. 199.
Bulletin of the Atomic Scientists. [s.l.]: [s.n.], 1969. Dostupné online. S. 86.