Hansen, L. B. (2006). Secrets of chess endgame strategy. Gambit.
Cita Chicago (17th ed.)Hansen, Lars Bo. Secrets of Chess Endgame Strategy. London: Gambit, 2006.
Cita MLA (9th ed.)Hansen, Lars Bo. Secrets of Chess Endgame Strategy. Gambit, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.