Kristof, Nicholas D. (19 October 2001). Baquet, Dean; Louttit, Meghan; Corbett, Philip; Chang, Lian; Drake, Monica; Kahn, Joseph; Kingsbury, Kathleen; Sulzberger, A.G.; Levien, Meredith Kopit; Caputo, Roland A.; Bardeen, William; Dunbar-Johnson, Stephen; Brayton, Diane (eds.). "Zhang Xueliang, 100, Dies; Warlord and Hero of China". National news. The New York Times. Vol. CL, no. 210. p. C13. ISSN0362-4331. OCLC1645522. Archived from the original on 24 October 2009. Retrieved 25 July 2021.
Kristof, Nicholas D. (19 October 2001). Baquet, Dean; Louttit, Meghan; Corbett, Philip; Chang, Lian; Drake, Monica; Kahn, Joseph; Kingsbury, Kathleen; Sulzberger, A.G.; Levien, Meredith Kopit; Caputo, Roland A.; Bardeen, William; Dunbar-Johnson, Stephen; Brayton, Diane (eds.). "Zhang Xueliang, 100, Dies; Warlord and Hero of China". National news. The New York Times. Vol. CL, no. 210. p. C13. ISSN0362-4331. OCLC1645522. Archived from the original on 24 October 2009. Retrieved 25 July 2021.
Kristof, Nicholas D. (19 October 2001). Baquet, Dean; Louttit, Meghan; Corbett, Philip; Chang, Lian; Drake, Monica; Kahn, Joseph; Kingsbury, Kathleen; Sulzberger, A.G.; Levien, Meredith Kopit; Caputo, Roland A.; Bardeen, William; Dunbar-Johnson, Stephen; Brayton, Diane (eds.). "Zhang Xueliang, 100, Dies; Warlord and Hero of China". National news. The New York Times. Vol. CL, no. 210. p. C13. ISSN0362-4331. OCLC1645522. Archived from the original on 24 October 2009. Retrieved 25 July 2021.