Lua APA (7ú heag.)
ebrary, Inc, & Velden, J. H. A. v. d. (2007). Strikes around the world, 1968-2005: Case-studies of 15 countries. Aksant.
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, agus Jacobus Hermanus Antonius van der Velden. Strikes Around the World, 1968-2005: Case-studies of 15 Countries. Amsterdam: Aksant, 2007.
Lua MLA (9ú heag.)
ebrary, Inc, agus Jacobus Hermanus Antonius van der Velden. Strikes Around the World, 1968-2005: Case-studies of 15 Countries. Aksant, 2007.
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