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