Laws, S. H. (2003). Research for development: A practical guide. Vistaar Publication.
Chicago Style aipamenaLaws, Sophie; Harper. Research for Development: A Practical Guide. New Delhi: Vistaar Publication, 2003.
MLA aipamenaLaws, Sophie; Harper. Research for Development: A Practical Guide. Vistaar Publication, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.