Martin Valverde, A. (1991). European employment and industrial relation glossary: Spain. Sweet and Maxwell; Luxembourg: Office for Official Publications of the European Communities.
Chicago Style (17. basım) AtıfMartin Valverde, Antonio. European Employment and Industrial Relation Glossary: Spain. London: Sweet and Maxwell; Luxembourg: Office for Official Publications of the European Communities, 1991.
MLA (9th ed.) AtıfMartin Valverde, Antonio. European Employment and Industrial Relation Glossary: Spain. Sweet and Maxwell; Luxembourg: Office for Official Publications of the European Communities, 1991.
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