APA (7th ed.) Citation

Hussmanns, R. (2004). Measuring the informal economy: From employment in the formal sector to informal employment. International Labour Organization.

Chicago Style (17th ed.) Citation

Hussmanns, Ralf. Measuring the Informal Economy: From Employment in the Formal Sector to Informal Employment. International Labour Organization, 2004.

MLA (9th ed.) Citation

Hussmanns, Ralf. Measuring the Informal Economy: From Employment in the Formal Sector to Informal Employment. International Labour Organization, 2004.

Warning: These citations may not always be 100% accurate.