Ritson-Morry W & Mitchell, W. M. (1967). Tackle chess. Stanly Paul.
Chicago Edition CitationRitson-Morry W i W. Melville Mitchell. Tackle Chess. London: Stanly Paul, 1967.
Cita MLARitson-Morry W i W. Melville Mitchell. Tackle Chess. Stanly Paul, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.