Organisation for Economic Co-operation and Development. Statistics Directorate, International Monetary Fund. Bureau of Statistics, International Labour Organisation. Bureau of Statistics, & Commonwealth of Independent States. Statistical Committee. (2002). Measuring the non-observed economy: A handbook. OECD.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Organisation for Economic Co-operation and Development. Statistics Directorate, International Monetary Fund. Bureau of Statistics, International Labour Organisation. Bureau of Statistics, và Commonwealth of Independent States. Statistical Committee. Measuring the Non-observed Economy: A Handbook. Paris, France: OECD, 2002.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)Organisation for Economic Co-operation and Development. Statistics Directorate, et al. Measuring the Non-observed Economy: A Handbook. OECD, 2002.