Silva, W. (1964). Industrial law and relations in Ceylon; an outline of the history , the institutions and labour laws. K.V.G. De Silva.
Chicago-viite (17. p.)Silva, W.P.N. Industrial Law and Relations in Ceylon; an Outline of the History , the Institutions and Labour Laws. Colombo: K.V.G. De Silva, 1964.
MLA-viite (9. p.)Silva, W.P.N. Industrial Law and Relations in Ceylon; an Outline of the History , the Institutions and Labour Laws. K.V.G. De Silva, 1964.
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