Baltar, F., & Brunet Icart, I. (2011). Using online instruments to study "hard to involve" populations in social research.
Cita Chicago Style (17a ed.)Baltar, Fabiola, y Ignasi Brunet Icart. Using Online Instruments to Study "Hard to Involve" Populations in Social Research. 2011.
Cita MLA (8a ed.)Baltar, Fabiola, y Ignasi Brunet Icart. Using Online Instruments to Study "Hard to Involve" Populations in Social Research. 2011.
Precaución: Estas citas no son 100% exactas.