Cita APA (7a ed.)

Shapland, J. (2004). The informal economy: Threat and opportunity in the city Forschung aktuell.

Cita Chicago Style (17a ed.)

Shapland, Joanna. "The Informal Economy: Threat and Opportunity in the City." Forschung Aktuell 2004.

Cita MLA (9a ed.)

Shapland, Joanna. "The Informal Economy: Threat and Opportunity in the City." Forschung Aktuell, 2004.