Corbett 2009, p. 35. Corbett, J. S. (2009) [1929]. Naval Operations. History of the Great War Based on Official Documents by Direction of the Historical Section of the Committee of Imperial Defence. Vol. II (2nd, Imperial War Museum and Naval & military Press repr. ed.). London: Longmans, Green & Co. ISBN978-1-84342-490-1.
Corbett 2009, p. 34. Corbett, J. S. (2009) [1929]. Naval Operations. History of the Great War Based on Official Documents by Direction of the Historical Section of the Committee of Imperial Defence. Vol. II (2nd, Imperial War Museum and Naval & military Press repr. ed.). London: Longmans, Green & Co. ISBN978-1-84342-490-1.