APA-viite (7. p.)
International Labour Organization. (2013). Measuring informality: A statistical manual on the informal sector and informal employment. International Labour Office.
Chicago-viite (17. p.)
International Labour Organization. Measuring Informality: A Statistical Manual on the Informal Sector and Informal Employment. Geneva, Switzerland: International Labour Office, 2013.
MLA-viite (9. p.)
International Labour Organization. Measuring Informality: A Statistical Manual on the Informal Sector and Informal Employment. International Labour Office, 2013.
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