Chalmers, W. E. (1967). Crucial issues in industrial relations in Singapore. D. Moore Press.
Lua i Stíl Chicago (17ú heag.)Chalmers, William Ellison. Crucial Issues in Industrial Relations in Singapore. [Singapore]: D. Moore Press, 1967.
Lua MLA (9ú heag.)Chalmers, William Ellison. Crucial Issues in Industrial Relations in Singapore. D. Moore Press, 1967.
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