Gaya APA

lau, C, Q, ;, B, G, V. (). Respondent-Driven Sampling: A New Method to Sample Businesses in Africa . [s.i.]: .

Gaya MLA

lau, Charles, Q., ;, Bobashev,, Georgiy, V.. "Respondent-Driven Sampling: A New Method to Sample Businesses in Africa". [s.i.]: , . Text.