LAWS B G. (1923). CHESS PROBLEMS AND HOW TO SOLVE THEM. LEEDS: WHITEHEAD AND MILLER LTD.
Style de citation ChicagoLAWS B G. CHESS PROBLEMS AND HOW TO SOLVE THEM. LONDON: LEEDS: WHITEHEAD AND MILLER LTD, 1923.
Style de citation MLALAWS B G. CHESS PROBLEMS AND HOW TO SOLVE THEM. LEEDS: WHITEHEAD AND MILLER LTD, 1923.
Attention : ces citations peuvent ne pas être correctes à 100%.