Organisation for Economic Co-operation and Development. Economic Analysis and Statistics Division & ProQuest (Firm). (2006). Research and development expenditure in industry 1987-2004: Les depenses en recherche et developpement dans l'industrie 1987-2004 (2005/2006 ed.). OECD.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Organisation for Economic Co-operation and Development. Economic Analysis and Statistics Division và ProQuest (Firm). Research and Development Expenditure in Industry 1987-2004: Les Depenses En Recherche Et Developpement Dans L'industrie 1987-2004. 2005/2006 ed. Paris: OECD, 2006.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)Organisation for Economic Co-operation and Development. Economic Analysis and Statistics Division và ProQuest (Firm). Research and Development Expenditure in Industry 1987-2004: Les Depenses En Recherche Et Developpement Dans L'industrie 1987-2004. 2005/2006 ed. OECD, 2006.