Hooper, D. (1968). Practical chess endgames.: David Hooper. Routledge & kegan paul.
Chicago Style (17th ed.) ZitazioaHooper, David. Practical Chess Endgames.: David Hooper. London: Routledge & kegan paul, 1968.
MLA (9th ed.) ZitazioaHooper, David. Practical Chess Endgames.: David Hooper. Routledge & kegan paul, 1968.
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