APA (7th ed.) Zitazioa
Laws, S., Harper, C., & Marcus, R. (2003). Research for development: A practical guide. SAGE.
Chicago Style (17th ed.) Zitazioa
Laws, Sophie, Caroline Harper, eta Rachel Marcus. Research for Development: A Practical Guide. London ; Thousand Oaks, Calif.: SAGE, 2003.
MLA (9th ed.) Zitazioa
Laws, Sophie, et al. Research for Development: A Practical Guide. SAGE, 2003.
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