Strickland, B. (2007). Make the impossible possible: One man's crusade to inspire others to dream bigger and achieve the extraordinary (First edition.). Currency.
Chicago-viite (17. p.)Strickland, Bill. Make the Impossible Possible: One Man's Crusade to Inspire Others to Dream Bigger and Achieve the Extraordinary. First edition. New York: Currency, 2007.
MLA-viite (9. p.)Strickland, Bill. Make the Impossible Possible: One Man's Crusade to Inspire Others to Dream Bigger and Achieve the Extraordinary. First edition. Currency, 2007.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.