Sheff, David (1993). «Game Masters». Game Over: How Nintendo Zapped an American Industry, Captured Your Dollars, and Enslaved Your Children. [S.l.]: Random House. p. 222. ISBN0-679-40469-4
Sheff, David (1993). «The Grinch Who Stole Christmas». Game Over: How Nintendo Zapped an American Industry, Captured Your Dollars, and Enslaved Your Children. [S.l.]: Random House. pp. 190–191. ISBN0-679-40469-4
Sheff, David (1993). «I, Mario». Game Over: How Nintendo Zapped an American Industry, Captured Your Dollars, and Enslaved Your Children 1st ed. [S.l.]: Random House. p. 53. ISBN0-679-40469-4
Sheff, David (1993). «A New Leader of the Club». Game Over: How Nintendo Zapped an American Industry, Captured Your Dollars, and Enslaved Your Children 1st ed. [S.l.]: Random House. pp. 3–5. ISBN0-679-40469-4
