APA (7e ed.) Bronvermelding
Verma, V. (2008). Sampling for household-based surveys of child labour. International Labour Organization.
Chicago (17e ed.) Bronvermelding
Verma, Vijay. Sampling for Household-based Surveys of Child Labour. Geneva: International Labour Organization, 2008.
MLA (9e ed.) Bronvermelding
Verma, Vijay. Sampling for Household-based Surveys of Child Labour. International Labour Organization, 2008.
Let op: Deze citaties zijn niet altijd 100% accuraat.