Cita APA (7th ed.)

Laws, S., Harper, C., & Marcus, R. (2003). Research for development: A practical guide. SAGE : Vistaar publications.

Cita Chicago (17th ed.)

Laws, Sophie, Caroline Harper, i Rachel Marcus. Research for Development: A Practical Guide. London ; Thousand Oaks, Calif. ; New Delhi: SAGE : Vistaar publications, 2003.

Cita MLA (8th ed.)

Laws, Sophie, et al. Research for Development: A Practical Guide. SAGE : Vistaar publications, 2003.