Editions Didier Millet, 2001. p. 132–133 ^ a b c d e f g h i j k l Vickers (2005), p. 13 ^ a b c d e f g h i Ibrahim (2001), p. 132 ^ a b c d e Ricklefs (1993)
pp. 77–86; Rhodes James, p. 97 ^ Judd, p. 52 ^ Rhodes James, pp. 94–96; Vickers, pp. 31, 44 ^ Bradford, p. 106 ^ Bradford, p. 77; Judd, pp. 57–59 ^ Reith