Snyder, A. (2014). What makes a champion!: Over fifty extraordinary individuals share their insights (BI). World Scientific.
Chicago-referens (17:e uppl.)Snyder, Allan. What Makes a Champion!: Over Fifty Extraordinary Individuals Share Their Insights (BI). World Scientific, 2014.
MLA-referens (8:e uppl.)Snyder, Allan. What Makes a Champion!: Over Fifty Extraordinary Individuals Share Their Insights (BI). World Scientific, 2014.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.