Alexander Alekhine Quotes about Chess
"The Soviet School of Chess". Book by Alexander Kotov, p. 42, 2001.
Alexander Alekhine (1955). “My best games of chess, 1924-1937”
Alexander Alekhine, Garry Kasparov (2011). “Alexander Alekhine's Best Games: Algebraic edition”, Pavilion Books
Attributed to Alexander Alekhine in David Hooper and Kenneth Whyld "The Oxford companion to chess" (p. 8), 1996.