Gordon Simmons Research, Ltd. (1974). Shipyard workers and nationalization. Aims of Industry.
Lua i Stíl Chicago (17ú heag.)Gordon Simmons Research, Ltd. Shipyard Workers and Nationalization. Lond.: Aims of Industry, 1974.
Lua MLA (8ú heag.)Gordon Simmons Research, Ltd. Shipyard Workers and Nationalization. Aims of Industry, 1974.
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