1.··George Albert Steiner, Top Management Planning (New York: Macmillan, 1969).
2.··神经胺酸酶（neuraminidase）有N1至N9这九种，血球凝集素（hemagglutinin）有H1至H17这十七种，1918年的大流感是H1N1型病毒，新冠肺炎是H7N9型病毒。
3.··https://s.wsj.net/public/resources/documents/Scientists_to_Stop_COVID19_2020_04_23_FINAL.pdf.
4.··https://en.wikipedia.org/wiki/Mission_statement.
5.··“Not led, I lead.”
6.··James Allen, “Why 97% of Strategic Planning Is a Waste of Time,” Bain & Company Founder’s Mentality (blog), 2014, www.bain.com/insights/why-97-percent-of-strategic-planning-is-a-waste-of-time-fm-blog/.
7.··www.brainyquote.com/quotes/katie_ledecky_770988.
