APA (7e ed.) Bronvermelding

(2008). Profile of workers in the informal sector (IS), 2001-2006 (second of a two-part series on informal sector). Labstat Updates.

Chicago (17e ed.) Bronvermelding

"Profile of Workers in the Informal Sector (IS), 2001-2006 (second of a Two-part Series on Informal Sector)." Labstat Updates 2008.

MLA (9e ed.) Bronvermelding

"Profile of Workers in the Informal Sector (IS), 2001-2006 (second of a Two-part Series on Informal Sector)." Labstat Updates, 2008.